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Volumn 8, Issue 4, 1996, Pages 269-278

Stimulated echoes: Description, applications, practical hints

Author keywords

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Indexed keywords


EID: 0030306762     PISSN: 10437347     EISSN: None     Source Type: Journal    
DOI: 10.1002/(SICI)1099-0534(1996)8:4<269::AID-CMR3>3.0.CO;2-X     Document Type: Article
Times cited : (54)

References (58)
  • 1
    • 0026048851 scopus 로고
    • An analysis of the intrinsic resonance offset dependence of magnetization generated by stimulated echo pulse sequences for noncoupled spins
    • D. Ballon, M. Garwood, and J. A. Koutcher, "An Analysis of the Intrinsic Resonance Offset Dependence of Magnetization Generated by Stimulated Echo Pulse Sequences for Noncoupled Spins," Magn. Reson. Imag., 1991, 9, 569-575.
    • (1991) Magn. Reson. Imag. , vol.9 , pp. 569-575
    • Ballon, D.1    Garwood, M.2    Koutcher, J.A.3
  • 2
    • 0002214132 scopus 로고
    • Elimination of unwanted echoes and reduction of dead time in three-pulse electron spin-echo spectroscopy
    • J.-M. Fauth, A. Schweiger, L. Braunschweiler, J. Forrer, and R. R. Ernst, "Elimination of Unwanted Echoes and Reduction of Dead Time in Three-Pulse Electron Spin-Echo Spectroscopy," J. Magn. Reson., 1986, 66, 74-85.
    • (1986) J. Magn. Reson. , vol.66 , pp. 74-85
    • Fauth, J.-M.1    Schweiger, A.2    Braunschweiler, L.3    Forrer, J.4    Ernst, R.R.5
  • 3
    • 33749622370 scopus 로고
    • Spin echoes
    • E. L. Hahn, "Spin Echoes," Phys. Rev., 1950, 80, 580-594.
    • (1950) Phys. Rev. , vol.80 , pp. 580-594
    • Hahn, E.L.1
  • 4
    • 84985846051 scopus 로고
    • Product operators, coherence pathways, and phase cycling. Part II. Coherence pathways in multipulse sequences: Spin echoes, stimulated echoes, and multiple-quantum coherences
    • P. B. Kingsley, "Product Operators, Coherence Pathways, and Phase Cycling. Part II. Coherence Pathways in Multipulse Sequences: Spin Echoes, Stimulated Echoes, and Multiple-Quantum Coherences," Concepts Magn. Reson., 1995, 7, 115-136.
    • (1995) Concepts Magn. Reson. , vol.7 , pp. 115-136
    • Kingsley, P.B.1
  • 5
    • 84985801762 scopus 로고
    • Product operators, coherence pathways, and phase cycling. Part III. Phase cycling
    • P. B. Kingsley, "Product Operators, Coherence Pathways, and Phase Cycling. Part III. Phase Cycling," Concepts Magn. Reson., 1995, 7, 167-192.
    • (1995) Concepts Magn. Reson. , vol.7 , pp. 167-192
    • Kingsley, P.B.1
  • 6
    • 0001423628 scopus 로고
    • Effects of diffusion in nuclear magnetic resonance spin-echo experiments
    • D. E. Woessner, "Effects of Diffusion in Nuclear Magnetic Resonance Spin-Echo Experiments," J. Chem. Phys., 1961, 34, 2057-2061.
    • (1961) J. Chem. Phys. , vol.34 , pp. 2057-2061
    • Woessner, D.E.1
  • 7
    • 0026089320 scopus 로고
    • Localized proton NMR spectroscopy using stimulated echoes: Applications to human skeletal muscle in vivo
    • H. Bruhn, J. Frahm, M. L. Gyngell, K-D. Merboldt, W. Hanicke, and R. Sauter, "Localized Proton NMR Spectroscopy Using Stimulated Echoes: Applications to Human Skeletal Muscle in Vivo," Magn. Reson. Med., 1991, 17, 82-94.
    • (1991) Magn. Reson. Med. , vol.17 , pp. 82-94
    • Bruhn, H.1    Frahm, J.2    Gyngell, M.L.3    Merboldt, K.-D.4    Hanicke, W.5    Sauter, R.6
  • 8
    • 0026151237 scopus 로고
    • MR imaging of coronary artery flow in isolated and in vivo hearts
    • D. Burstein, "MR Imaging of Coronary Artery Flow in Isolated and in Vivo Hearts," JMRI, 1991, 1, 337-346.
    • (1991) JMRI , vol.1 , pp. 337-346
    • Burstein, D.1
  • 9
    • 0025062136 scopus 로고
    • Velocity imaging of slow coherent flows using stimulated echoes
    • A. Caprihan, R. H. Griffey, and E. Fukushima, "Velocity Imaging of Slow Coherent Flows Using Stimulated Echoes," Magn. Reson. Med., 1990, 15, 327-333.
    • (1990) Magn. Reson. Med. , vol.15 , pp. 327-333
    • Caprihan, A.1    Griffey, R.H.2    Fukushima, E.3
  • 10
    • 38249005553 scopus 로고
    • 2, diffusion coefficient, and rf homogeneity
    • 2, Diffusion Coefficient, and rf Homogeneity," J. Magn. Reson., 1993, B 101, 28-34.
    • (1993) J. Magn. Reson. , vol.101 B , pp. 28-34
    • Counsell, C.J.R.1
  • 11
    • 0023611993 scopus 로고
    • A stimulated echo artifact from slice interference in magnetic resonance imaging
    • A. P. Crawley and R. M. Henkelman, "A Stimulated Echo Artifact from Slice Interference in Magnetic Resonance Imaging," Med. Phys., 1987, 14, 842-848.
    • (1987) Med. Phys. , vol.14 , pp. 842-848
    • Crawley, A.P.1    Henkelman, R.M.2
  • 12
    • 0025296916 scopus 로고
    • A homonuclear shift correlated and spatially localized spectroscopy using stimulated echoes
    • F. Desmoulin and J. Seeling, "A Homonuclear Shift Correlated and Spatially Localized Spectroscopy Using Stimulated Echoes," Magn. Reson. Med., 1990, 14, 160-168.
    • (1990) Magn. Reson. Med. , vol.14 , pp. 160-168
    • Desmoulin, F.1    Seeling, J.2
  • 13
    • 0029040249 scopus 로고
    • Limitations of stimulated echo acquisition mode (STEAM) techniques in cardiac applications
    • S. E. Fischer, M. Stuber, M. B. Scheidegger, and P. Boesiger, "Limitations of Stimulated Echo Acquisition Mode (STEAM) Techniques in Cardiac Applications," Magn. Reson. Med., 1995, 34, 80-91.
    • (1995) Magn. Reson. Med. , vol.34 , pp. 80-91
    • Fischer, S.E.1    Stuber, M.2    Scheidegger, M.B.3    Boesiger, P.4
  • 15
    • 0028202783 scopus 로고
    • Partially restricted diffusion in a permeable sandstone: Observations by stimulated echo PFG NMR
    • E. J. Fordham, S. J. Gibbs, and L. D. Hall, "Partially Restricted Diffusion in a Permeable Sandstone: Observations by Stimulated Echo PFG NMR," Magn. Reson. Imag., 1994, 12, 279-284.
    • (1994) Magn. Reson. Imag. , vol.12 , pp. 279-284
    • Fordham, E.J.1    Gibbs, S.J.2    Hall, L.D.3
  • 16
    • 0024493728 scopus 로고
    • Localized high-resolution proton nmr spectroscopy using stimulated echoes: Initial applications to human brain in vivo
    • J. Frahm, H. Bruhn, M. L. Gyngell, K-D. Merboldt, W. Hanicke, and R. Sauter, "Localized High-Resolution Proton NMR Spectroscopy Using Stimulated Echoes: Initial Applications to Human Brain in Vivo," Magn. Reson. Med., 1989, 9, 79-93.
    • (1989) Magn. Reson. Med. , vol.9 , pp. 79-93
    • Frahm, J.1    Bruhn, H.2    Gyngell, M.L.3    Merboldt, K.-D.4    Hanicke, W.5    Sauter, R.6
  • 17
    • 0024370099 scopus 로고
    • Localized proton NMR spectroscopy in different regions of the human brain in vivo, relaxation times and concentrations of cerebral metabolites
    • J. Frahm, H. Bruhn, M. L. Gyngell, K-D. Merboldt, W. Hanicke, and R. Sauter, "Localized Proton NMR Spectroscopy in Different Regions of the Human Brain in Vivo, Relaxation Times and Concentrations of Cerebral Metabolites," Magn. Reson. Med., 1989, 11, 47-63.
    • (1989) Magn. Reson. Med. , vol.11 , pp. 47-63
    • Frahm, J.1    Bruhn, H.2    Gyngell, M.L.3    Merboldt, K.-D.4    Hanicke, W.5    Sauter, R.6
  • 19
    • 45949114306 scopus 로고
    • Localized proton spectroscopy using stimulated echoes
    • J. Frahm, K-D. Merboldt, and W. Hanicke, "Localized Proton Spectroscopy Using Stimulated Echoes," J. Magn. Reson., 1987, 72, 502-508.
    • (1987) J. Magn. Reson. , vol.72 , pp. 502-508
    • Frahm, J.1    Merboldt, K.-D.2    Hanicke, W.3
  • 22
    • 0028904160 scopus 로고
    • Chemical shift imaging from simultaneous acquisition of a primary and a stimulated echo
    • F. Franconi and S. Akoka, "Chemical Shift Imaging from Simultaneous Acquisition of a Primary and a Stimulated Echo," Magn. Reson. Med., 1995, 33, 683-688.
    • (1995) Magn. Reson. Med. , vol.33 , pp. 683-688
    • Franconi, F.1    Akoka, S.2
  • 23
    • 0028337180 scopus 로고
    • Acquisition of spin echo and stimulated echo by a single sequence: Application to MRI of diffusion
    • F. Franconi, C. B. Sonier, F. Seguin, A. LePape, and S. Akoka, "Acquisition of Spin Echo and Stimulated Echo by a Single Sequence: Application to MRI of Diffusion," Magn. Reson. Imag., 1994, 12, 605-611.
    • (1994) Magn. Reson. Imag. , vol.12 , pp. 605-611
    • Franconi, F.1    Sonier, C.B.2    Seguin, F.3    LePape, A.4    Akoka, S.5
  • 24
    • 0000085492 scopus 로고
    • Selected volume excitation using stimulated echoes (VEST). Applications to spatially localized spectroscopy and imaging
    • J. Granot, "Selected Volume Excitation Using Stimulated Echoes (VEST). Applications to Spatially Localized Spectroscopy and Imaging," J. Magn. Reson., 1986, 70, 488-492.
    • (1986) J. Magn. Reson. , vol.70 , pp. 488-492
    • Granot, J.1
  • 26
    • 0025043109 scopus 로고
    • Two-volume acquisition in image-guided proton spectroscopy
    • H-P. Hafner, E. Radu, and J. Seelig, "Two-Volume Acquisition in Image-Guided Proton Spectroscopy," Magn. Reson. Med., 1990, 15, 135-141.
    • (1990) Magn. Reson. Med. , vol.15 , pp. 135-141
    • Hafner, H.-P.1    Radu, E.2    Seelig, J.3
  • 27
    • 0025113266 scopus 로고
    • One-dimensional spectroscopic imaging with stimulated echoes: Phantom and human leg studies
    • E. F. Jackson, P. A. Narayana, and D. P. Flamig, "One-Dimensional Spectroscopic Imaging with Stimulated Echoes: Phantom and Human Leg Studies," Magn. Reson. Imaging, 1990, 8, 153-159.
    • (1990) Magn. Reson. Imaging , vol.8 , pp. 153-159
    • Jackson, E.F.1    Narayana, P.A.2    Flamig, D.P.3
  • 28
    • 38249029355 scopus 로고
    • A comparison of spatially resolved spectroscopy and stimulated echo acquisition mode sequences for volume-localized spectroscopy
    • E. F. Jackson, P. A. Narayana, and W. A. Kudrle, "A Comparison of Spatially Resolved Spectroscopy and Stimulated Echo Acquisition Mode Sequences for Volume-Localized Spectroscopy," J. Magn. Reson., 1988, 80, 23-38.
    • (1988) J. Magn. Reson. , vol.80 , pp. 23-38
    • Jackson, E.F.1    Narayana, P.A.2    Kudrle, W.A.3
  • 29
    • 0026766229 scopus 로고
    • Localized phosphorus NMR spectroscopy: A comparison of the FID, DRESS, CRISIS/CODEX, and STEAM methods in vitro and in vivo using a surface-coil
    • W-I. Jung, K. Kuper, F. Schick, M. Bunse, M. Pfeffer, K. Pfeffer, G. Dietze, and O. Lutz, "Localized Phosphorus NMR Spectroscopy: A Comparison of the FID, DRESS, CRISIS/CODEX, and STEAM Methods in Vitro and in Vivo Using a Surface-Coil," Magn. Reson. Imag., 1992, 10, 655-662.
    • (1992) Magn. Reson. Imag. , vol.10 , pp. 655-662
    • Jung, W.-I.1    Kuper, K.2    Schick, F.3    Bunse, M.4    Pfeffer, M.5    Pfeffer, K.6    Dietze, G.7    Lutz, O.8
  • 30
    • 45949115041 scopus 로고
    • Volume-selective multipulse spin-echo spectroscopy
    • R. Kimmich and D. Hoepfel, "Volume-Selective Multipulse Spin-Echo Spectroscopy," J. Magn. Reson., 1987, 72, 379-384.
    • (1987) J. Magn. Reson. , vol.72 , pp. 379-384
    • Kimmich, R.1    Hoepfel, D.2
  • 31
    • 0028394309 scopus 로고
    • Scalar coupling and zero-quantum coherence relaxation in STEAM: Implications for spectral editing of lactate
    • P. B. Kingsley, "Scalar Coupling and Zero-Quantum Coherence Relaxation in STEAM: Implications for Spectral Editing of Lactate," Magn. Reson. Med., 1994, 31, 315-319.
    • (1994) Magn. Reson. Med. , vol.31 , pp. 315-319
    • Kingsley, P.B.1
  • 32
    • 0023121544 scopus 로고
    • Frequency-modulated radiofrequency pulses in spin-echo and stimulated-echo experiments
    • D. Kunz, "Frequency-Modulated Radiofrequency Pulses in Spin-Echo and Stimulated-Echo Experiments," Magn. Reson. Med., 1987, 4, 129-136.
    • (1987) Magn. Reson. Med. , vol.4 , pp. 129-136
    • Kunz, D.1
  • 33
    • 0025259949 scopus 로고
    • Proton spectral editing in the inhomogeneous radiofrequency field of a surface coil using modified stimulated echoes
    • H. Lahrech and A. Briguet, "Proton Spectral Editing in the Inhomogeneous Radiofrequency Field of a Surface Coil Using Modified Stimulated Echoes," Magn. Reson. Med., 1990, 16, 342-349.
    • (1990) Magn. Reson. Med. , vol.16 , pp. 342-349
    • Lahrech, H.1    Briguet, A.2
  • 34
    • 0023395993 scopus 로고
    • Modified stimulated echo sequence for elimination of signals from stationary spins in MRI
    • H. Lahrech, A. Briguet, D. Graveron-Demilly, E. Hiltbrand, and P. R. Moran, "Modified Stimulated Echo Sequence for Elimination of Signals from Stationary Spins in MRI," Magn. Reson. Med., 1987, 5, 196-200.
    • (1987) Magn. Reson. Med. , vol.5 , pp. 196-200
    • Lahrech, H.1    Briguet, A.2    Graveron-Demilly, D.3    Hiltbrand, E.4    Moran, P.R.5
  • 35
    • 0024551804 scopus 로고
    • Self-referencing subtractive angiography by modified stimulated echo in magnetic resonance imaging
    • H. Lahrech, A. Briguet, and E. Hiltbrand, "Self-Referencing Subtractive Angiography by Modified Stimulated Echo in Magnetic Resonance Imaging," Phys. Med. Biol., 1989, 34, 1-4.
    • (1989) Phys. Med. Biol. , vol.34 , pp. 1-4
    • Lahrech, H.1    Briguet, A.2    Hiltbrand, E.3
  • 37
    • 0022497660 scopus 로고
    • Multiple chemical shift selective (CHESS) MR imaging using stimulated echoes
    • D. Matthaei, A. Haase, J. Frahm, H. Bomsdorf, and W. Vollmann, "Multiple Chemical Shift Selective (CHESS) MR Imaging Using Stimulated Echoes," Radiology, 1986, 160, 791-794.
    • (1986) Radiology , vol.160 , pp. 791-794
    • Matthaei, D.1    Haase, A.2    Frahm, J.3    Bomsdorf, H.4    Vollmann, W.5
  • 38
    • 0026526819 scopus 로고
    • Diffusion imaging of the human brain in vivo using high-speed STEAM MRI
    • K. D. Merboldt, W. Hanicke, H. Bruhn, M. L. Gyngell, and J. Frahm, "Diffusion Imaging of the Human Brain in Vivo Using High-Speed STEAM MRI," Magn. Reson. Med., 1992, 23, 179-192.
    • (1992) Magn. Reson. Med. , vol.23 , pp. 179-192
    • Merboldt, K.D.1    Hanicke, W.2    Bruhn, H.3    Gyngell, M.L.4    Frahm, J.5
  • 39
    • 0000256422 scopus 로고
    • Flow NMR imaging using stimulated echoes
    • K-D. Merboldt, W. Hanicke, and J. Frahm, "Flow NMR Imaging Using Stimulated Echoes," J. Magn. Reson., 1986, 67, 336-341.
    • (1986) J. Magn. Reson. , vol.67 , pp. 336-341
    • Merboldt, K.-D.1    Hanicke, W.2    Frahm, J.3
  • 40
  • 42
    • 0024835363 scopus 로고
    • Comparison of single-shot localization methods (STEAM and PRESS) for in vivo proton NMR spectroscopy
    • C. T. W. Moonen, M. von Kienlin, P. C. M. van Zilj, J. Cohen, J. Gillen, P. Daly, and G. Wolf, "Comparison of Single-Shot Localization Methods (STEAM and PRESS) for in Vivo Proton NMR Spectroscopy," NMR Biomed., 1989, 2, 201-208.
    • (1989) NMR Biomed. , vol.2 , pp. 201-208
    • Moonen, C.T.W.1    Von Kienlin, M.2    Van Zilj, P.C.M.3    Cohen, J.4    Gillen, J.5    Daly, P.6    Wolf, G.7
  • 44
    • 0029031742 scopus 로고
    • On doubling the signal in localised stimulated echo measurements
    • G. S. Payne and M. O. Leach, "On Doubling the Signal in Localised Stimulated Echo Measurements," Magn. Reson. Imag., 1995, 13, 629-632.
    • (1995) Magn. Reson. Imag. , vol.13 , pp. 629-632
    • Payne, G.S.1    Leach, M.O.2
  • 45
    • 0026209836 scopus 로고
    • 1H NMR spectroscopic imaging of the monkey brain using binomial water suppression in a stimulated-echo sequence
    • 1H NMR Spectroscopic Imaging of the Monkey Brain Using Binomial Water Suppression in a Stimulated-Echo Sequence," NMR Biomed., 1991, 4, 187-191.
    • (1991) NMR Biomed. , vol.4 , pp. 187-191
    • Richards, T.L.1
  • 46
    • 0027464896 scopus 로고
    • Dissecting and implementing steam spectroscopy
    • W. R. Riddle, S. J. Gibbs, and M. R. Willcott, "Dissecting and Implementing Steam Spectroscopy," Magn. Reson. Med., 1993, 29, 378-380.
    • (1993) Magn. Reson. Med. , vol.29 , pp. 378-380
    • Riddle, W.R.1    Gibbs, S.J.2    Willcott, M.R.3
  • 47
    • 0000050416 scopus 로고
    • Exploiting the stimulated echo in nuclear magnetic resonance imaging. I. Method
    • W. Sattin, T. H. Mareci, and K. N. Scott, "Exploiting the Stimulated Echo in Nuclear Magnetic Resonance Imaging. I. Method," J. Magn. Reson., 1985, 64, 177-182.
    • (1985) J. Magn. Reson. , vol.64 , pp. 177-182
    • Sattin, W.1    Mareci, T.H.2    Scott, K.N.3
  • 48
    • 0023726715 scopus 로고
    • A volume-localized, two-dimensional nmr method for the determination of lactate using zero-quantum coherence created in a stimulated echo pulse sequence
    • C. H. Sotak, "A Volume-Localized, Two-Dimensional NMR Method for the Determination of Lactate Using Zero-Quantum Coherence Created in a Stimulated Echo Pulse Sequence," Magn. Reson. Med., 1988, 7, 364-370.
    • (1988) Magn. Reson. Med. , vol.7 , pp. 364-370
    • Sotak, C.H.1
  • 49
    • 0025965374 scopus 로고
    • A pitfall associated with lactate detection using stimulated-echo proton spectroscopy
    • C. H. Sotak and J. R. Alger, "A Pitfall Associated with Lactate Detection Using Stimulated-Echo Proton Spectroscopy," Magn. Reson. Med., 1991, 17, 533-538.
    • (1991) Magn. Reson. Med. , vol.17 , pp. 533-538
    • Sotak, C.H.1    Alger, J.R.2
  • 50
    • 45449121603 scopus 로고
    • A method for volume-localized lactate editing using zero-quantum coherence created in a stimulated-echo pulse sequence
    • C. H. Sotak and D. M. Freeman, "A Method for Volume-Localized Lactate Editing Using Zero-Quantum Coherence Created in a Stimulated-Echo Pulse Sequence," J. Magn. Reson., 1988, 77, 382-388.
    • (1988) J. Magn. Reson. , vol.77 , pp. 382-388
    • Sotak, C.H.1    Freeman, D.M.2
  • 51
    • 0026689822 scopus 로고
    • MR imaging of anisotropic and restricted diffusion by simultaneous use of spin and stimulated echoes
    • C. H. Sotak and L. Li, "MR Imaging of Anisotropic and Restricted Diffusion by Simultaneous Use of Spin and Stimulated Echoes," Magn. Reson. Med., 1992, 26, 174-183.
    • (1992) Magn. Reson. Med. , vol.26 , pp. 174-183
    • Sotak, C.H.1    Li, L.2
  • 52
    • 36849101148 scopus 로고
    • Use of the stimulated echo in NMR diffusion studies
    • J. E. Tanner, "Use of the Stimulated Echo in NMR Diffusion Studies," J. Chem. Phys., 1970, 52, 2523-2526.
    • (1970) J. Chem. Phys. , vol.52 , pp. 2523-2526
    • Tanner, J.E.1
  • 53
    • 0024522344 scopus 로고
    • High field localized proton spectroscopy in small volumes: Greatly improved localization and shimming using shielded strong gradients
    • P. C. M. van Zijl, C. T. W. Moonen, J. R. Alger, J. S. Cohen, and S. A. Chesnick, "High Field Localized Proton Spectroscopy in Small Volumes: Greatly Improved Localization and Shimming Using Shielded Strong Gradients," Magn. Reson. Med., 1989, 10, 256-265.
    • (1989) Magn. Reson. Med. , vol.10 , pp. 256-265
    • Van Zijl, P.C.M.1    Moonen, C.T.W.2    Alger, J.R.3    Cohen, J.S.4    Chesnick, S.A.5
  • 55
    • 0000981361 scopus 로고
    • An analytical and experimental evaluation of STEAM versus PRESS for the observation of the lactate doublet
    • A. H. Wilman and P. S. Allen, "An Analytical and Experimental Evaluation of STEAM versus PRESS for the Observation of the Lactate Doublet," J. Magn. Reson., 1993, B 101, 102-105.
    • (1993) J. Magn. Reson. , vol.101 B , pp. 102-105
    • Wilman, A.H.1    Allen, P.S.2
  • 56
    • 0023886841 scopus 로고
    • Single-acquisition chemical-shift imaging of a binary system with use of stimulated echoes
    • H. N. Yeung, D. W. Kormos, and D. A. Sebok, "Single-Acquisition Chemical-Shift Imaging of a Binary System with Use of Stimulated Echoes," Radiology, 1988, 167, 537-540.
    • (1988) Radiology , vol.167 , pp. 537-540
    • Yeung, H.N.1    Kormos, D.W.2    Sebok, D.A.3
  • 57
    • 0011611915 scopus 로고
    • A spin-product-operator analysis of the dephasing requirement in STEAM-localized NMR spectroscopy
    • W. Zhang and P. van Hecke, "A Spin-Product-Operator Analysis of the Dephasing Requirement in STEAM-Localized NMR Spectroscopy," J. Magn. Reson., 1991, 91, 408-412.
    • (1991) J. Magn. Reson. , vol.91 , pp. 408-412
    • Zhang, W.1    Van Hecke, P.2


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.