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Volumn 124, Issue 12, 1997, Pages 2441-2450

Clonal dispersion and evidence for asymmetric cell division in ferret cortex

Author keywords

Asymmetric; Cell lineage; Cerebral cortex; Protocortex; Protomap

Indexed keywords

ALKALINE PHOSPHATASE;

EID: 0030872579     PISSN: 09501991     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article
Times cited : (78)

References (59)
  • 1
    • 0028949202 scopus 로고
    • Model of forebrain regionalization based on spatiotemporal patterns of POU-III homeobox gene expression, birthdates and morphological features
    • Alvarez-Bonaldo, G., Rosenfeld, M.G. and Swanson L.W. (1995). Model of forebrain regionalization based on spatiotemporal patterns of POU-III homeobox gene expression, birthdates and morphological features. J. Comp. Neurol. 355, 237-295.
    • (1995) J. Comp. Neurol. , vol.355 , pp. 237-295
    • Alvarez-Bonaldo, G.1    Rosenfeld, M.G.2    Swanson, L.W.3
  • 2
    • 0344334400 scopus 로고
    • Autoradiographic study of cell migration during histogenesis of cerebral cortex in the mouse
    • Angevine, J. B., Jr. and Sidman, R. L. (1961). Autoradiographic study of cell migration during histogenesis of cerebral cortex in the mouse. Nature 192, 766-768.
    • (1961) Nature , vol.192 , pp. 766-768
    • Angevine Jr., J.B.1    Sidman, R.L.2
  • 3
    • 0026003338 scopus 로고
    • The early commitment of fetal neurons to the limbic cortex
    • Barbe, M. F. and Levitt, P. (1991). The early commitment of fetal neurons to the limbic cortex. J. Neurosci. 11, 519-533.
    • (1991) J. Neurosci. , vol.11 , pp. 519-533
    • Barbe, M.F.1    Levitt, P.2
  • 5
    • 0024964229 scopus 로고
    • Number of neurons in individual laminae of areas 3B, 4g, and 6a alpha of the cat cerebral cortex: A comparison with major visual areas
    • Beaulieu, C. and Colonnier, M. (1989), Number of neurons in individual laminae of areas 3B, 4g, and 6a alpha of the cat cerebral cortex: a comparison with major visual areas. J. Comp. Neurol. 279, 228-234.
    • (1989) J. Comp. Neurol. , vol.279 , pp. 228-234
    • Beaulieu, C.1    Colonnier, M.2
  • 6
    • 1842414678 scopus 로고
    • Extensive cell death in the subcortical proliferative zones
    • Blaschke, A. J., Staley, K. and Chun, J. J. M. (1995). Extensive cell death in the subcortical proliferative zones. Development 122, 1165-1174.
    • (1995) Development , vol.122 , pp. 1165-1174
    • Blaschke, A.J.1    Staley, K.2    Chun, J.J.M.3
  • 7
    • 0014739137 scopus 로고
    • Embryonic vertebrate central nervous system: Revised terminology
    • Boulder-Committee, T. (1970). Embryonic vertebrate central nervous system: revised terminology. Anat. Rec. 166, 257-262.
    • (1970) Anat. Rec. , vol.166 , pp. 257-262
    • Boulder-Committee, T.1
  • 8
    • 0028983389 scopus 로고
    • T-brain-1: A homolog of Brachyury whose expression defines molecularly distinct domains within the cerebral cortex
    • Bulfone, A., Smiga, S., Shimamura, K., Peterson, A., Puelles, L. and Rubenstein, J.L. (1995). T-brain-1: a homolog of Brachyury whose expression defines molecularly distinct domains within the cerebral cortex. Neuron 15, 63-78.
    • (1995) Neuron , vol.15 , pp. 63-78
    • Bulfone, A.1    Smiga, S.2    Shimamura, K.3    Peterson, A.4    Puelles, L.5    Rubenstein, J.L.6
  • 9
  • 11
    • 0029080470 scopus 로고
    • Cleavage orientation and the asymmetric inheritance of Notch1 immunoreactivity in mammalian neurogenesis
    • Chenn, A. and McConnell, S. K. (1995). Cleavage orientation and the asymmetric inheritance of Notch1 immunoreactivity in mammalian neurogenesis. Cell 82, 631-642.
    • (1995) Cell , vol.82 , pp. 631-642
    • Chenn, A.1    McConnell, S.K.2
  • 12
    • 0028210586 scopus 로고
    • Early development of a mouse somatosensory cortex marker
    • Cohen-Tannouji, M., Babinet, C. and Wassef, M. (1994). Early development of a mouse somatosensory cortex marker. Nature 368, 460-463.
    • (1994) Nature , vol.368 , pp. 460-463
    • Cohen-Tannouji, M.1    Babinet, C.2    Wassef, M.3
  • 13
    • 0342463159 scopus 로고
    • Safe and efficient generation of recombinant retroviruses with amphotropic and ecotropic host ranges
    • Danos, O. and Mulligan, R. C. (1988). Safe and efficient generation of recombinant retroviruses with amphotropic and ecotropic host ranges. Proc. Nat. Acad. Sci. USA 85, 6460-6464.
    • (1988) Proc. Nat. Acad. Sci. USA , vol.85 , pp. 6460-6464
    • Danos, O.1    Mulligan, R.C.2
  • 14
    • 0027941902 scopus 로고
    • A self-renewing multipotential stem cell in embryonic rat cerebral cortex
    • Davis, A. and Temple, S. (1994). A self-renewing multipotential stem cell in embryonic rat cerebral cortex. Nature 372, 263-266.
    • (1994) Nature , vol.372 , pp. 263-266
    • Davis, A.1    Temple, S.2
  • 15
    • 0030045623 scopus 로고    scopus 로고
    • Development of spinal cord projections from neocortical transplants heterotopically placed in the neocortex of newborn hosts is highly dependent on the embryonic locus of origin of the graft
    • Ebrahimi-Gaillard, A. and Roger, M. (1996). Development of spinal cord projections from neocortical transplants heterotopically placed in the neocortex of newborn hosts is highly dependent on the embryonic locus of origin of the graft. J. Comp. Neurol. 265, 129-140.
    • (1996) J. Comp. Neurol. , vol.265 , pp. 129-140
    • Ebrahimi-Gaillard, A.1    Roger, M.2
  • 16
    • 0027499952 scopus 로고
    • Dispersion of neural progenitors within the germinal zones of the forebrain
    • Fishell, G., Mason, C. A. and Hatten, M. E. (1993). Dispersion of neural progenitors within the germinal zones of the forebrain. Nature 362, 636-638.
    • (1993) Nature , vol.362 , pp. 636-638
    • Fishell, G.1    Mason, C.A.2    Hatten, M.E.3
  • 18
    • 0024564196 scopus 로고
    • Visual cortex development in the ferret. I. Genesis and migration of visual cortical neurons
    • Jackson, C. A., Peduzzi, J. D. and Hickey, T. L. (1989). Visual cortex development in the ferret. I. Genesis and migration of visual cortical neurons. J. Neurosci. 9, 1242-1253.
    • (1989) J. Neurosci. , vol.9 , pp. 1242-1253
    • Jackson, C.A.1    Peduzzi, J.D.2    Hickey, T.L.3
  • 19
    • 0029122621 scopus 로고
    • Radial and horizontal deployment of clonally related cells in the primate neocortex: Relationship to distinct mitotic lineages
    • Kornack, D. R. and Rakic, P. (1995). Radial and horizontal deployment of clonally related cells in the primate neocortex: relationship to distinct mitotic lineages. Neuron 15, 311-321.
    • (1995) Neuron , vol.15 , pp. 311-321
    • Kornack, D.R.1    Rakic, P.2
  • 20
    • 0029456670 scopus 로고
    • Molecular contributions to cerebral cortical specification
    • Development of cerebral cortex, Chichester: Wiley
    • Levitt, P., Ferri, R. and Eagleson, K. (1995). Molecular contributions to cerebral cortical specification. In Development of cerebral cortex, CIBA Foundation Symposium 193, pp. 200-206. Chichester: Wiley.
    • (1995) CIBA Foundation Symposium , vol.193 , pp. 200-206
    • Levitt, P.1    Ferri, R.2    Eagleson, K.3
  • 21
    • 0345093453 scopus 로고
    • Telencephalon of the Ferret
    • (ed. E. C. Huber and H. N. Schnitzlein), New York: MacMillan Publishing Company
    • Lockard, B. I. (1980). Telencephalon of the Ferret. In Comparative Correlative Neuroanatomy of the Vertebrate Telencephalon (ed. E. C. Huber and H. N. Schnitzlein), pp. 484-500. New York: MacMillan Publishing Company.
    • (1980) Comparative Correlative Neuroanatomy of the Vertebrate Telencephalon , pp. 484-500
    • Lockard, B.I.1
  • 22
    • 0027410493 scopus 로고
    • Neurons, astrocytes, and oligodendrocytes of the rat cerebral cortex originate from separate progenitor cells: An ultrastructural analysis of clonally related cells
    • Luskin, M. B., Parnavelas, J. G. and Barfleld, J. A. (1993). Neurons, astrocytes, and oligodendrocytes of the rat cerebral cortex originate from separate progenitor cells: an ultrastructural analysis of clonally related cells. J. Neurosci. 13, 1730-1750.
    • (1993) J. Neurosci. , vol.13 , pp. 1730-1750
    • Luskin, M.B.1    Parnavelas, J.G.2    Barfleld, J.A.3
  • 23
    • 0023851986 scopus 로고
    • Fates of visual cortical neurons in the ferret after isochronic and heterochronic transplantation
    • McConnell, S.K. (1988). Fates of visual cortical neurons in the ferret after isochronic and heterochronic transplantation. J. Neurosci. 8, 945-974.
    • (1988) J. Neurosci. , vol.8 , pp. 945-974
    • McConnell, S.K.1
  • 24
    • 0025952778 scopus 로고
    • Cell cycle dependence of laminar determination in developing neocortex
    • McConnell, S. K. and Kaznowski, C. E. (1991). Cell cycle dependence of laminar determination in developing neocortex. Science 254, 282-285.
    • (1991) Science , vol.254 , pp. 282-285
    • McConnell, S.K.1    Kaznowski, C.E.2
  • 25
    • 0028120898 scopus 로고
    • Lineage analysis reveals neurotransmitter (GABA or glutamate) but not calcium-binding protein homogeneity in clonally related neurons
    • Mione, M. C., Danevic, C., Boardman, P., Harris, B. and Parnavelas, J. (1994). Lineage analysis reveals neurotransmitter (GABA or glutamate) but not calcium-binding protein homogeneity in clonally related neurons. J. Neurosci. 14, 107-123.
    • (1994) J. Neurosci. , vol.14 , pp. 107-123
    • Mione, M.C.1    Danevic, C.2    Boardman, P.3    Harris, B.4    Parnavelas, J.5
  • 26
    • 0026793654 scopus 로고
    • The distribution of clones of neurons in the rat somatosensory cortex
    • Moore, R. and Price, J. (1992). The distribution of clones of neurons in the rat somatosensory cortex. J. Neurocytol. 21, 737-743.
    • (1992) J. Neurocytol. , vol.21 , pp. 737-743
    • Moore, R.1    Price, J.2
  • 27
    • 0010429254 scopus 로고
    • Minimal dispersion of neuroepithelial cells during generation of the cortical preplate
    • O' Leary, D. D. M. and Borngasser, D. J. (1992). Minimal dispersion of neuroepithelial cells during generation of the cortical preplate. Soc. Neurosci. Abstr. 18, 925.
    • (1992) Soc. Neurosci. Abstr. , vol.18 , pp. 925
    • O' Leary, D.D.M.1    Borngasser, D.J.2
  • 28
    • 0024462549 scopus 로고
    • Do cortical areas emerge from a protocortex?
    • O'Leary, D. D. M. (1989). Do cortical areas emerge from a protocortex? Trends Neurosci. 12, 400-406.
    • (1989) Trends Neurosci. , vol.12 , pp. 400-406
    • O'Leary, D.D.M.1
  • 29
    • 0026452720 scopus 로고
    • Diverse migratory pathways in the developing cerebral cortex
    • O'Rourke, N., Dailey, M., Smith, S. and McConnell, S. (1992). Diverse migratory pathways in the developing cerebral cortex. Science 258, 299-302.
    • (1992) Science , vol.258 , pp. 299-302
    • O'Rourke, N.1    Dailey, M.2    Smith, S.3    McConnell, S.4
  • 30
    • 0029067166 scopus 로고
    • Tangential migration of neurons in the developing cerebral cortex
    • O'Rourke, N., Sullivan, D., Kaznowski, C., Jacobs, A. and McConnell, S. (1995). Tangential migration of neurons in the developing cerebral cortex. Development 121, 2165-2176.
    • (1995) Development , vol.121 , pp. 2165-2176
    • O'Rourke, N.1    Sullivan, D.2    Kaznowski, C.3    Jacobs, A.4    McConnell, S.5
  • 31
    • 0030932360 scopus 로고    scopus 로고
    • Postmitotic neurons migrate tangentially in the cortical ventricular zone
    • O'Rourke, N., Chenn, A. and McConnell, S. (1997). Postmitotic neurons migrate tangentially in the cortical ventricular zone. Development 124, 997-1005.
    • (1997) Development , vol.124 , pp. 997-1005
    • O'Rourke, N.1    Chenn, A.2    McConnell, S.3
  • 32
    • 0026253198 scopus 로고
    • Separate progenitor cells give rise to pyramidal and nonpyramidal neurons in the rat telencephalon
    • Parnavelas, J. G., Barfield, J. A., Franke, E. and Luskin, M. B. (1991). Separate progenitor cells give rise to pyramidal and nonpyramidal neurons in the rat telencephalon. Cerebral Cortex 1, 1047-3211.
    • (1991) Cerebral Cortex , vol.1 , pp. 1047-3211
    • Parnavelas, J.G.1    Barfield, J.A.2    Franke, E.3    Luskin, M.B.4
  • 33
    • 0024237425 scopus 로고
    • Cell lineage in the rat cerebral cortex: A study using retroviral-mediated gene transfer
    • Price, J. and Thurlow, L. (1988). Cell lineage in the rat cerebral cortex: A study using retroviral-mediated gene transfer. Development 104, 473-482.
    • (1988) Development , vol.104 , pp. 473-482
    • Price, J.1    Thurlow, L.2
  • 35
    • 0015340401 scopus 로고
    • Mode of cell migration to the superficial layers of fetal monkey neocortex
    • Rakic, P. (1972). Mode of cell migration to the superficial layers of fetal monkey neocortex. J. Comp. Neurol. 145, 61-84.
    • (1972) J. Comp. Neurol. , vol.145 , pp. 61-84
    • Rakic, P.1
  • 36
    • 0018075046 scopus 로고
    • Neuronal migration and contact guidance in primate telencephalon
    • Rakic, P. (1978). Neuronal migration and contact guidance in primate telencephalon. Postgrad. Med. J. 54, 25-40.
    • (1978) Postgrad. Med. J. , vol.54 , pp. 25-40
    • Rakic, P.1
  • 37
    • 0015965793 scopus 로고
    • Neurons in rhesus monkey visual cortex: Systematic relation between time of origin and eventual disposition
    • Rakic, P. (1974). Neurons in rhesus monkey visual cortex: Systematic relation between time of origin and eventual disposition. Nature 183, 425-427.
    • (1974) Nature , vol.183 , pp. 425-427
    • Rakic, P.1
  • 38
    • 0023785808 scopus 로고
    • Specification of cerebral cortical areas
    • Rakic, P. (1988). Specification of cerebral cortical areas. Science 241, 170-176.
    • (1988) Science , vol.241 , pp. 170-176
    • Rakic, P.1
  • 39
    • 0029149713 scopus 로고
    • Systematic widespread clonal organization in cerebral cortex
    • Reid, C. B., Liang, I. and Walsh, C. (1995). Systematic widespread clonal organization in cerebral cortex. Neuron 15, 299-310.
    • (1995) Neuron , vol.15 , pp. 299-310
    • Reid, C.B.1    Liang, I.2    Walsh, C.3
  • 40
    • 0018948139 scopus 로고
    • The basic uniformity in structure of the neocortex
    • Rockel, A. J., Hiorns, R. W. and Powell, T. P. (1980). The basic uniformity in structure of the neocortex. Brain 103, 221-244.
    • (1980) Brain , vol.103 , pp. 221-244
    • Rockel, A.J.1    Hiorns, R.W.2    Powell, T.P.3
  • 41
    • 0022988979 scopus 로고
    • Use of a recombinant retrovirus to study post-implantation cell lineage in mouse embryos
    • Sanes, J. R., Rubenstein, J. L. R. and Nicolas, J.-F. (1986). Use of a recombinant retrovirus to study post-implantation cell lineage in mouse embryos. EMBO J. 5, 3133-3142.
    • (1986) EMBO J. , vol.5 , pp. 3133-3142
    • Sanes, J.R.1    Rubenstein, J.L.R.2    Nicolas, J.-F.3
  • 42
    • 0025848164 scopus 로고
    • Potential of visual cortex to develop an array of functional units unique to somatosensory cortex
    • Schlaggar, B. L. and O'Leary, D. D. M. (1991). Potential of visual cortex to develop an array of functional units unique to somatosensory cortex. Science 252, 1556-1560.
    • (1991) Science , vol.252 , pp. 1556-1560
    • Schlaggar, B.L.1    O'Leary, D.D.M.2
  • 43
    • 0026749964 scopus 로고
    • Two vertebrate homeobox genes related to the Drosophila empty spiracles gene are expressed in the embryonic cerebral cortex
    • Simeone, A., Gulisano, M., Acampora, D., Stornaiuolo, A., Rambaldi, M. and Boncinelli, E. (1992a). Two vertebrate homeobox genes related to the Drosophila empty spiracles gene are expressed in the embryonic cerebral cortex. EMBO J. 11, 2541-2550.
    • (1992) EMBO J. , vol.11 , pp. 2541-2550
    • Simeone, A.1    Gulisano, M.2    Acampora, D.3    Stornaiuolo, A.4    Rambaldi, M.5    Boncinelli, E.6
  • 44
    • 0026759308 scopus 로고
    • Nested expression domains of four homeobox genes in developing rostral brain
    • Simeone, A., Acampora, D. Gulisano, M. Stornaiuolo, A. and Boncinelli, E. (1992b). Nested expression domains of four homeobox genes in developing rostral brain. Nature 358, 687-690.
    • (1992) Nature , vol.358 , pp. 687-690
    • Simeone, A.1    Acampora, D.2    Gulisano, M.3    Stornaiuolo, A.4    Boncinelli, E.5
  • 45
    • 0029592017 scopus 로고
    • Molecular heterogeneity of progenitors and radial migration in the developing cerebral cortex revealed by transgene expression
    • Soriano, E., Dumesnil, N., Auladell, C., Cohen-Tannoudji, M. and Sotelo, C. (1995), Molecular heterogeneity of progenitors and radial migration in the developing cerebral cortex revealed by transgene expression. Proc. Nat. Acad. Sci. USA 92, 116766-11689.
    • (1995) Proc. Nat. Acad. Sci. USA , vol.92 , pp. 116766-211689
    • Soriano, E.1    Dumesnil, N.2    Auladell, C.3    Cohen-Tannoudji, M.4    Sotelo, C.5
  • 46
    • 0027400692 scopus 로고
    • Cell cycle parameters and patterns of nuclear movement in the neocortical proliferative zone of the fetal mouse
    • Takahashi, T., Nowakowski, R. S. and Caviness, V. S. (1993). Cell cycle parameters and patterns of nuclear movement in the neocortical proliferative zone of the fetal mouse. J. Neurosci. 13, 820-833.
    • (1993) J. Neurosci. , vol.13 , pp. 820-833
    • Takahashi, T.1    Nowakowski, R.S.2    Caviness, V.S.3
  • 48
    • 0027418830 scopus 로고
    • Radial mosaicism and tangential cell dispersion both contribute to mouse cortical development
    • Tan, S. and Breen, S. (1993). Radial mosaicism and tangential cell dispersion both contribute to mouse cortical development. Nature 362, 638-640.
    • (1993) Nature , vol.362 , pp. 638-640
    • Tan, S.1    Breen, S.2
  • 49
    • 0028922958 scopus 로고
    • Cell dispersion patterns in different cortical regions studied with an X-inactivated transgenic marker
    • Tan, S. S., Faulkner-Jones, B., Breen, S. J., Walsh, M., Bertram, J. F. and Reese, B. E. (1995). Cell dispersion patterns in different cortical regions studied with an X-inactivated transgenic marker. Development 121, 1029-1039.
    • (1995) Development , vol.121 , pp. 1029-1039
    • Tan, S.S.1    Faulkner-Jones, B.2    Breen, S.J.3    Walsh, M.4    Bertram, J.F.5    Reese, B.E.6
  • 50
    • 0028206603 scopus 로고
    • Isolated rat cortical progenitor cells are maintained in division in vitro by membrane-associated factors
    • Temple, S. and Davis, A. (1994). Isolated rat cortical progenitor cells are maintained in division in vitro by membrane-associated factors. Development 120, 999-1008.
    • (1994) Development , vol.120 , pp. 999-1008
    • Temple, S.1    Davis, A.2
  • 51
    • 0023182049 scopus 로고
    • Cell lineage in the rat retina: A common progenitor for neurons and glia persists late in development
    • Turner, D. and Cepko, C. L. (1987). Cell lineage in the rat retina: a common progenitor for neurons and glia persists late in development. Nature 328, 131-136.
    • (1987) Nature , vol.328 , pp. 131-136
    • Turner, D.1    Cepko, C.L.2
  • 52
    • 0018863596 scopus 로고
    • Two-dimensional maps of the cerebral cortex
    • Van Essen, D. C. and Maunsell, J. H. R. (1980). Two-dimensional maps of the cerebral cortex. J Comp. Neurol. 191, 255-282.
    • (1980) J Comp. Neurol. , vol.191 , pp. 255-282
    • Van Essen, D.C.1    Maunsell, J.H.R.2
  • 53
    • 0345121101 scopus 로고
    • PCR-based techniques for cell lineage analysis using retroviruses
    • Methods in Molecular Genetics, (ed. K. W. Adolph), Orlando: Academic Press
    • Walsh, C. (1995). PCR-based techniques for cell lineage analysis using retroviruses. In Methods in Molecular Genetics, Molecular Virology 4 (ed. K. W. Adolph), pp. 280-295. Orlando: Academic Press.
    • (1995) Molecular Virology , vol.4 , pp. 280-295
    • Walsh, C.1
  • 54
    • 0027417258 scopus 로고
    • Widespread clonal dispersion in proliferative layers of cerebral cortex
    • Walsh, C. and Cepko, C. L. (1993). Widespread clonal dispersion in proliferative layers of cerebral cortex. Nature 362, 632-635.
    • (1993) Nature , vol.362 , pp. 632-635
    • Walsh, C.1    Cepko, C.L.2
  • 55
    • 0026510716 scopus 로고
    • Widespread dispersion of neuronal clones across functional regions of the cerebral cortex
    • Walsh, C. and Cepko, C. L. (1992). Widespread dispersion of neuronal clones across functional regions of the cerebral cortex. Science 255, 434-440.
    • (1992) Science , vol.255 , pp. 434-440
    • Walsh, C.1    Cepko, C.L.2
  • 56
    • 0026495810 scopus 로고
    • The dispersion of neuronal clones across the cerebral cortex: Response
    • Walsh, C., Cepko, C. L., Ryder, E. F., Church, G. M. and Tabin, C. (1992). The dispersion of neuronal clones across the cerebral cortex: response. Science 258, 317-320.
    • (1992) Science , vol.258 , pp. 317-320
    • Walsh, C.1    Cepko, C.L.2    Ryder, E.F.3    Church, G.M.4    Tabin, C.5
  • 57
    • 0029030809 scopus 로고
    • Evidence for multiple precursor types in the embryonic rat cerebral cortex
    • Williams, B. P. and Price, J. (1995). Evidence for multiple precursor types in the embryonic rat cerebral cortex. Neuron 14, 1181-1188.
    • (1995) Neuron , vol.14 , pp. 1181-1188
    • Williams, B.P.1    Price, J.2
  • 59
    • 0030200217 scopus 로고    scopus 로고
    • Asymmetric localization of a mammalian numb homolog during mouse cortical neurogenesis
    • Zhong, W., Feder, J. N., Jiang, M.-M., Jan, L. Y. and Jan, Y. N. (1996). Asymmetric localization of a mammalian numb homolog during mouse cortical neurogenesis. Neuron 17, 43-53.
    • (1996) Neuron , vol.17 , pp. 43-53
    • Zhong, W.1    Feder, J.N.2    Jiang, M.-M.3    Jan, L.Y.4    Jan, Y.N.5


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.