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Volumn 50, Issue 1, 1999, Pages 1-13

Nucleus ambiguus and bulbospinal ventral respiratory group neurons in the neonatal rat

Author keywords

Fast blue; Fluoro Gold; Medulla oblongata; Respiration; Retrograde tracing

Indexed keywords

AMBIGUUS NUCLEUS; ANIMAL TISSUE; ARTICLE; BRAIN STEM; CONTROLLED STUDY; FEMALE; FLUORESCENCE; HISTOLOGY; IN VITRO STUDY; MALE; MODEL; NEWBORN; NONHUMAN; PRIORITY JOURNAL; RAT; REGIONAL PERFUSION; RESPIRATION CONTROL; RESPIRATORY NERVE CELL; SPINAL CORD;

EID: 0032848638     PISSN: 03619230     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0361-9230(99)00078-7     Document Type: Article
Times cited : (21)

References (54)
  • 1
    • 0030902794 scopus 로고    scopus 로고
    • Development of phrenic motoneuron morphology in the fetal rat
    • Allan D.W., Greer J.J. Development of phrenic motoneuron morphology in the fetal rat. J. Comp. Neurol. 382:1997;469-479.
    • (1997) J. Comp. Neurol. , vol.382 , pp. 469-479
    • Allan, D.W.1    Greer, J.J.2
  • 2
    • 0019180564 scopus 로고
    • Development of the brain stem in the rat: I. Thymidine-radiographic study of the time of origin of neurons of the lower medulla
    • Altman J., Bayer S.A. Development of the brain stem in the rat I. Thymidine-radiographic study of the time of origin of neurons of the lower medulla . J. Comp. Neurol. 194:1980;1-35.
    • (1980) J. Comp. Neurol. , vol.194 , pp. 1-35
    • Altman, J.1    Bayer, S.A.2
  • 3
    • 0027456462 scopus 로고
    • Ontogenetic study of early brain stem projections to the spinal cord in the rat
    • Auclair F., Belanger M.-C., Marchand R. Ontogenetic study of early brain stem projections to the spinal cord in the rat. Brain Res. Bull. 30:1993;281-289.
    • (1993) Brain Res. Bull. , vol.30 , pp. 281-289
    • Auclair, F.1    Belanger, M.-C.2    Marchand, R.3
  • 4
    • 0021715507 scopus 로고
    • Effects of anesthetics and foster mother experience on survival rate of cesarean derived, foster suckled rat pups
    • Bartholomew J.L., Tezak T.M., Montrey R.D. Effects of anesthetics and foster mother experience on survival rate of cesarean derived, foster suckled rat pups. Lab. Anim. Sci. 34:1984;598-601.
    • (1984) Lab. Anim. Sci. , vol.34 , pp. 598-601
    • Bartholomew, J.L.1    Tezak, T.M.2    Montrey, R.D.3
  • 5
    • 0025125422 scopus 로고
    • Recent advances in respiratory neurobiology using in vitro methods
    • Berger A.J. Recent advances in respiratory neurobiology using in vitro methods. Am. J. Physiol. 259:1990;L24-L29.
    • (1990) Am. J. Physiol. , vol.259
    • Berger, A.J.1
  • 7
    • 0023248642 scopus 로고
    • Viscerotopic representation of the upper alimentary tract in the medulla oblongata in the rat: The nucleus ambiguus
    • Bieger D., Hopkins D.A. Viscerotopic representation of the upper alimentary tract in the medulla oblongata in the rat the nucleus ambiguus . J. Comp. Neurol. 262:1987;546-562.
    • (1987) J. Comp. Neurol. , vol.262 , pp. 546-562
    • Bieger, D.1    Hopkins, D.A.2
  • 8
    • 0025967758 scopus 로고
    • Electrophysiological properties of developing phrenic motoneurons in the cat
    • Cameron W.E., Jodkowski J.S., Fang H., Guthrie R.D. Electrophysiological properties of developing phrenic motoneurons in the cat. J. Neurophysiol. 65:1991;671-679.
    • (1991) J. Neurophysiol. , vol.65 , pp. 671-679
    • Cameron, W.E.1    Jodkowski, J.S.2    Fang, H.3    Guthrie, R.D.4
  • 9
    • 0026355346 scopus 로고
    • Morphometric analysis of phrenic motoneurons in the cat during postnatal development
    • Cameron W.E., He F., Kalipatnapu P., Jodkowski J.S., Guthrie R.D. Morphometric analysis of phrenic motoneurons in the cat during postnatal development. J. Comp. Neurol. 314:1991;763-776.
    • (1991) J. Comp. Neurol. , vol.314 , pp. 763-776
    • Cameron, W.E.1    He, F.2    Kalipatnapu, P.3    Jodkowski, J.S.4    Guthrie, R.D.5
  • 10
    • 0026610241 scopus 로고
    • Pre-Botzinger complex in cats: Respiratory neuronal discharge patterns
    • Connelly C.A., Dobbins E.G., Feldman J.L. Pre-Botzinger complex in cats Respiratory neuronal discharge patterns . Brain Res. 590:1992;337-340.
    • (1992) Brain Res. , vol.590 , pp. 337-340
    • Connelly, C.A.1    Dobbins, E.G.2    Feldman, J.L.3
  • 11
    • 0026635990 scopus 로고
    • In vitro study of central respiratory-like activity of the fetal rat
    • Di Pasquale E., Monteau R., Hilaire G. In vitro study of central respiratory-like activity of the fetal rat. Exp. Brain Res. 89:1992;459-464.
    • (1992) Exp. Brain Res. , vol.89 , pp. 459-464
    • Di Pasquale, E.1    Monteau, R.2    Hilaire, G.3
  • 12
    • 0028330160 scopus 로고
    • Involvement of the rostral ventrolateral medulla in respiratory rhythm genesis during the peri-natal period: An in vitro study in newborn and fetal rats
    • Di Pasquale E., Monteau R., Hilaire G. Involvement of the rostral ventrolateral medulla in respiratory rhythm genesis during the peri-natal period An in vitro study in newborn and fetal rats . Dev. Brain Res. 78:1994;243-252.
    • (1994) Dev. Brain Res. , vol.78 , pp. 243-252
    • Di Pasquale, E.1    Monteau, R.2    Hilaire, G.3
  • 13
    • 0031564830 scopus 로고    scopus 로고
    • Serotonergic inhibition of phrenic motoneuron activity: An in vitro study in neonatal rat
    • Di Pasquale E., Lindsay A.D., Feldman J.L., Monteau R., Hilaire G. Serotonergic inhibition of phrenic motoneuron activity An in vitro study in neonatal rat . Neurosci. Lett. 230:1997;29-32.
    • (1997) Neurosci. Lett. , vol.230 , pp. 29-32
    • Di Pasquale, E.1    Lindsay, A.D.2    Feldman, J.L.3    Monteau, R.4    Hilaire, G.5
  • 14
    • 0028021472 scopus 로고
    • Brainstem network controlling descending drive to phrenic motoneurons in rat
    • Dobbins E.G., Feldman J.L. Brainstem network controlling descending drive to phrenic motoneurons in rat. J. Comp. Neurol. 347:1994;64-86.
    • (1994) J. Comp. Neurol. , vol.347 , pp. 64-86
    • Dobbins, E.G.1    Feldman, J.L.2
  • 15
    • 0023836035 scopus 로고
    • Monosynaptic transmission of respiratory drive to phrenic motoneurons from brainstem bulbospinal neurons in rat
    • Ellenberger H.H., Feldman J.L. Monosynaptic transmission of respiratory drive to phrenic motoneurons from brainstem bulbospinal neurons in rat. J. Comp. Neurol. 269:1988;47-57.
    • (1988) J. Comp. Neurol. , vol.269 , pp. 47-57
    • Ellenberger, H.H.1    Feldman, J.L.2
  • 16
    • 0025267228 scopus 로고
    • Subnuclear organization of the lateral tegmental field of the rat. I: Nucleus ambiguus and ventral respiratory group
    • Ellenberger H.H., Feldman J.L. Subnuclear organization of the lateral tegmental field of the rat. I Nucleus ambiguus and ventral respiratory group . J. Comp. Neurol. 294:1990;202-211.
    • (1990) J. Comp. Neurol. , vol.294 , pp. 202-211
    • Ellenberger, H.H.1    Feldman, J.L.2
  • 17
    • 0025231226 scopus 로고
    • Brainstem connections of the rostral ventral respiratory group of the rat
    • Ellenberger H.H., Feldman J.L. Brainstem connections of the rostral ventral respiratory group of the rat. Brain Res. 513:1990;35-42.
    • (1990) Brain Res. , vol.513 , pp. 35-42
    • Ellenberger, H.H.1    Feldman, J.L.2
  • 18
    • 0025262372 scopus 로고
    • Bulbospinal projections to the phrenic motor nucleus: A horseradish peroxidase study in the rabbit
    • Ellenberger H.H., Vera P.L., Haselton J.R., Haselton C.L., Schneiderman N. Bulbospinal projections to the phrenic motor nucleus A horseradish peroxidase study in the rabbit . Brain Res. Bull. 24:1990;163-174.
    • (1990) Brain Res. Bull. , vol.24 , pp. 163-174
    • Ellenberger, H.H.1    Vera, P.L.2    Haselton, J.R.3    Haselton, C.L.4    Schneiderman, N.5
  • 19
    • 0025607218 scopus 로고
    • Ventral respiratory group projections to phrenic motoneurons: Electron microscopic evidence for monosynaptic connections
    • Ellenberger H.H., Feldman J.L., Goshgarian H.G. Ventral respiratory group projections to phrenic motoneurons Electron microscopic evidence for monosynaptic connections . J. Comp. Neurol. 302:1991;707-714.
    • (1991) J. Comp. Neurol. , vol.302 , pp. 707-714
    • Ellenberger, H.H.1    Feldman, J.L.2    Goshgarian, H.G.3
  • 20
    • 0028106485 scopus 로고
    • Origins of excitatory drive within the respiratory network: Anatomical localization
    • Ellenberger H.H., Feldman J.L. Origins of excitatory drive within the respiratory network Anatomical localization . NeuroReport. 5:1994;1933-1936.
    • (1994) NeuroReport , vol.5 , pp. 1933-1936
    • Ellenberger, H.H.1    Feldman, J.L.2
  • 21
    • 0023777880 scopus 로고
    • Importance of vagal afferents in determining ventilation in newborn rats
    • Fedorko L., Kelly E.N., England S.J. Importance of vagal afferents in determining ventilation in newborn rats. J. Appl. Physiol. 65:1988;1033-1039.
    • (1988) J. Appl. Physiol. , vol.65 , pp. 1033-1039
    • Fedorko, L.1    Kelly, E.N.2    England, S.J.3
  • 22
    • 0026306039 scopus 로고
    • Respiratory pattern generation in mammals: In vitro en bloc analysis
    • Feldman J.L., Smith J.C., Liu G. Respiratory pattern generation in mammals In vitro en bloc analysis . Curr. Opin. Neurobiol. 1:1991;590-594.
    • (1991) Curr. Opin. Neurobiol. , vol.1 , pp. 590-594
    • Feldman, J.L.1    Smith, J.C.2    Liu, G.3
  • 23
    • 0022656631 scopus 로고
    • The functional development of descending inhibitory pathways in the dorsolateral funiculus of the newborn rat spinal cord
    • Fitzgerald M., Koltzenburg M. The functional development of descending inhibitory pathways in the dorsolateral funiculus of the newborn rat spinal cord. Brain Res. 389:1986;261-270.
    • (1986) Brain Res. , vol.389 , pp. 261-270
    • Fitzgerald, M.1    Koltzenburg, M.2
  • 24
    • 0027962641 scopus 로고
    • Medullary loci critical for expression of gasping in adult rats
    • Fung M.L., Wang W., St. John W.M. Medullary loci critical for expression of gasping in adult rats. J. Physiol. (Lond.). 480:1994;597-611.
    • (1994) J. Physiol. (Lond.) , vol.480 , pp. 597-611
    • Fung, M.L.1    Wang, W.2    St. John, W.M.3
  • 25
    • 0029572505 scopus 로고
    • Generation of respiratory rhythm and pattern in mammals: Insights from developmental studies
    • Funk G.D., Feldman J.L. Generation of respiratory rhythm and pattern in mammals Insights from developmental studies . Curr. Opin. Neurobiol. 5:1995;778-785.
    • (1995) Curr. Opin. Neurobiol. , vol.5 , pp. 778-785
    • Funk, G.D.1    Feldman, J.L.2
  • 26
    • 0023235261 scopus 로고
    • Dendritic organization of phrenic motoneurons in the adult rat
    • Furicchia J.V., Goshgarian H.G. Dendritic organization of phrenic motoneurons in the adult rat. Exp. Neurol. 96:1987;621-634.
    • (1987) Exp. Neurol. , vol.96 , pp. 621-634
    • Furicchia, J.V.1    Goshgarian, H.G.2
  • 27
    • 0022461848 scopus 로고
    • Descending inhibition of slow spinal reflex in an in vitro preparation of the newborn rat and its possible involvement in pain control
    • Garcia-Arraras J.E., Murakoshi T., Yanagisawa M., Otsuka M. Descending inhibition of slow spinal reflex in an in vitro preparation of the newborn rat and its possible involvement in pain control. Brain Res. 379:1986;188-191.
    • (1986) Brain Res. , vol.379 , pp. 188-191
    • Garcia-Arraras, J.E.1    Murakoshi, T.2    Yanagisawa, M.3    Otsuka, M.4
  • 28
    • 85069125547 scopus 로고    scopus 로고
    • Rhythm in neonatal rat medullary slices originates in preBötzinger complex (preBötC) but not the sites dorsomedial to nucleus ambiguus
    • Ge O.J., Feldman J.L. Rhythm in neonatal rat medullary slices originates in preBötzinger complex (preBötC) but not the sites dorsomedial to nucleus ambiguus. Soc. Neurosci. Abstr. 23:1997;2082.
    • (1997) Soc. Neurosci. Abstr. , vol.23 , pp. 2082
    • Ge, O.J.1    Feldman, J.L.2
  • 29
    • 0026740444 scopus 로고
    • Respiratory and locomotor pattern generated in the fetal rat brain stem-spinal cord in vitro
    • Greer J.J., Smith J.C., Feldman J.L. Respiratory and locomotor pattern generated in the fetal rat brain stem-spinal cord in vitro. J. Neurophysiol. 67:1992;996-999.
    • (1992) J. Neurophysiol. , vol.67 , pp. 996-999
    • Greer, J.J.1    Smith, J.C.2    Feldman, J.L.3
  • 30
    • 0024836076 scopus 로고
    • Chemical neuroanatomy of the parapyramidal region of the ventral medulla in the rat
    • Helke C.J. Chemical neuroanatomy of the parapyramidal region of the ventral medulla in the rat. Prog. Brain Res. 81:1989;17-28.
    • (1989) Prog. Brain Res. , vol.81 , pp. 17-28
    • Helke, C.J.1
  • 31
    • 0025327098 scopus 로고
    • Functional significance of the dorsal respiratory group in adult and newborn rats: In vivo and in vitro studies
    • Hilaire G., Monteau R., Gauthier P., Rega P., Morin D. Functional significance of the dorsal respiratory group in adult and newborn rats in vivo and in vitro studies . Neurosci Lett. 111:1990;133-138.
    • (1990) Neurosci Lett. , vol.111 , pp. 133-138
    • Hilaire, G.1    Monteau, R.2    Gauthier, P.3    Rega, P.4    Morin, D.5
  • 32
    • 0030946061 scopus 로고    scopus 로고
    • Lesions of the regions for in vitro ventilatory genesis eliminate gasping but not eupnea
    • Huang Q., Zhou D., St. John W.M. Lesions of the regions for in vitro ventilatory genesis eliminate gasping but not eupnea. Resp. Physiol. 107:1997;111-123.
    • (1997) Resp. Physiol. , vol.107 , pp. 111-123
    • Huang, Q.1    Zhou, D.2    St. John, W.M.3
  • 33
    • 0026799563 scopus 로고
    • Early ontogeny of the vagus nerve: An analysis of the medulla oblongata and cervical spinal cord of the postnatal rat
    • Kalia M. Early ontogeny of the vagus nerve An analysis of the medulla oblongata and cervical spinal cord of the postnatal rat . Neurochem. Int. 20:1992;119-128.
    • (1992) Neurochem. Int. , vol.20 , pp. 119-128
    • Kalia, M.1
  • 34
    • 0029921657 scopus 로고    scopus 로고
    • Tonic sympathetic chemoreflex after blockade of respiratory rhythmogenesis in the rat
    • Koshiya N., Guyenet P.G. Tonic sympathetic chemoreflex after blockade of respiratory rhythmogenesis in the rat. J. Physiol. (Lond.). 491:1996;859-869.
    • (1996) J. Physiol. (Lond.) , vol.491 , pp. 859-869
    • Koshiya, N.1    Guyenet, P.G.2
  • 35
    • 0027460619 scopus 로고
    • Development of descending fibers to the rat embryonic spinal cord
    • Kudo N., Furukawa F., Okado N. Development of descending fibers to the rat embryonic spinal cord. Neurosci. Res. 16:1993;131-141.
    • (1993) Neurosci. Res. , vol.16 , pp. 131-141
    • Kudo, N.1    Furukawa, F.2    Okado, N.3
  • 36
    • 0030632185 scopus 로고    scopus 로고
    • The projections to the spinal cord of the rat during development: A timetable of descent
    • New York: Springer-Verlag
    • Lakke E.A.J.F. The projections to the spinal cord of the rat during development A timetable of descent . Advances in anatomy, embryology and cell biology. vol. 135:1997;1-143 Springer-Verlag, New York.
    • (1997) Advances in Anatomy, Embryology and Cell Biology , vol.135 , pp. 1-143
    • Lakke, E.A.J.F.1
  • 37
    • 0020638290 scopus 로고
    • Central origin of biphasic breathing pattern during hypoxia in newborns
    • Lawson E.E., Long W.W. Central origin of biphasic breathing pattern during hypoxia in newborns. J. Appl. Physiol. 55:1983;483-488.
    • (1983) J. Appl. Physiol. , vol.55 , pp. 483-488
    • Lawson, E.E.1    Long, W.W.2
  • 38
    • 0025730895 scopus 로고
    • Phrenic motoneuron morphology in the neonatal rat
    • Lindsay A.D., Greer J.J., Feldman J.L. Phrenic motoneuron morphology in the neonatal rat. J. Comp. Neurol. 308:1991;169-179.
    • (1991) J. Comp. Neurol. , vol.308 , pp. 169-179
    • Lindsay, A.D.1    Greer, J.J.2    Feldman, J.L.3
  • 39
    • 0027478875 scopus 로고
    • Modulation of respiratory activity of neonatal rat phrenic motoneurones by serotonin
    • Lindsay A.D., Feldman J.L. Modulation of respiratory activity of neonatal rat phrenic motoneurones by serotonin. J. Physiol. (Lond.). 461:1993;213-233.
    • (1993) J. Physiol. (Lond.) , vol.461 , pp. 213-233
    • Lindsay, A.D.1    Feldman, J.L.2
  • 40
    • 0021276259 scopus 로고
    • Breathing pattern in newborns
    • Mortola J.P. Breathing pattern in newborns. J. Appl. Physiol. 56:1984;1533-1540.
    • (1984) J. Appl. Physiol. , vol.56 , pp. 1533-1540
    • Mortola, J.P.1
  • 41
    • 0028921838 scopus 로고
    • Studies of the respiratory center using isolated brainstem-spinal cord preparations
    • Onimaru H. Studies of the respiratory center using isolated brainstem-spinal cord preparations. Neurosci. Res. 21:1995;183-190.
    • (1995) Neurosci. Res. , vol.21 , pp. 183-190
    • Onimaru, H.1
  • 45
    • 0031596646 scopus 로고    scopus 로고
    • PreBotzinger complex and pacemaker neurons: Hypothesized site and kernel for respiratory rhythm generation
    • Rekling J.C., Feldman J.L. PreBotzinger complex and pacemaker neurons Hypothesized site and kernel for respiratory rhythm generation . Annu. Rev. Physiol. 60:1998;385-405.
    • (1998) Annu. Rev. Physiol. , vol.60 , pp. 385-405
    • Rekling, J.C.1    Feldman, J.L.2
  • 46
    • 0027535306 scopus 로고
    • Establishment of vagal sensorimotor circuits during fetal development in rats
    • Rinaman L., Levitt P. Establishment of vagal sensorimotor circuits during fetal development in rats. J. Neurobiol. 24:1993;641-659.
    • (1993) J. Neurobiol. , vol.24 , pp. 641-659
    • Rinaman, L.1    Levitt, P.2
  • 47
    • 0024836511 scopus 로고
    • Central control of the circulation by the rostral ventrolateral reticular nucleus: Anatomical substrates
    • Ruggiero D.A., Cravo S.L., Arango V., Reis D.J. Central control of the circulation by the rostral ventrolateral reticular nucleus Anatomical substrates . Prog. Brain Res. 81:1989;49-79.
    • (1989) Prog. Brain Res. , vol.81 , pp. 49-79
    • Ruggiero, D.A.1    Cravo, S.L.2    Arango, V.3    Reis, D.J.4
  • 49
    • 0025114016 scopus 로고
    • Neural mechanisms generating respiratory pattern in mammalian brainstem-spinal cord in vitro. I. Spatiotemporal patterns of motor and medullary neuron activity
    • Smith J.C., Greer J.J., Liu G., Feldman J.L. Neural mechanisms generating respiratory pattern in mammalian brainstem-spinal cord in vitro. I. Spatiotemporal patterns of motor and medullary neuron activity. J. Neurophysiol. 64:1990;1149-1168.
    • (1990) J. Neurophysiol. , vol.64 , pp. 1149-1168
    • Smith, J.C.1    Greer, J.J.2    Liu, G.3    Feldman, J.L.4
  • 50
    • 0026360052 scopus 로고
    • Pre-Bötzinger complex: A brainstem region that may generate respiratory rhythm in mammals
    • Smith J.C., Ellenberger H.H., Ballanyi K., Richter D.W., Feldman J.L. Pre-Bötzinger complex A brainstem region that may generate respiratory rhythm in mammals . Science. 254:1991;726-729.
    • (1991) Science , vol.254 , pp. 726-729
    • Smith, J.C.1    Ellenberger, H.H.2    Ballanyi, K.3    Richter, D.W.4    Feldman, J.L.5
  • 51
    • 0000981435 scopus 로고
    • Cellular and synaptic mechanisms generating respiratory rhythm: Insights from in vitro and computational studies
    • C.O. Trouth, R. Mills, H. Kiwull-Schone, & M. Schläfke. New York: Marcel Dekker
    • Smith J.C., Funk G.D., Johnson S.M., Feldman J.L. Cellular and synaptic mechanisms generating respiratory rhythm Insights from in vitro and computational studies . Trouth C.O., Mills R., Kiwull-Schone H., Schläfke M. Ventral brainstem mechanisms and control of respiration and blood pressure. 1995;463-496 Marcel Dekker, New York.
    • (1995) Ventral Brainstem Mechanisms and Control of Respiration and Blood Pressure , pp. 463-496
    • Smith, J.C.1    Funk, G.D.2    Johnson, S.M.3    Feldman, J.L.4
  • 52
    • 0021284556 scopus 로고
    • Respiratory rhythm generation in the in vitro brain stem-spinal cord preparation of the neonatal rat
    • Suzue T. Respiratory rhythm generation in the in vitro brain stem-spinal cord preparation of the neonatal rat. J. Physiol. (Lond.). 354:1984;173-183.
    • (1984) J. Physiol. (Lond.) , vol.354 , pp. 173-183
    • Suzue, T.1
  • 53
    • 0030987934 scopus 로고    scopus 로고
    • Postnatal development of serotonergic innervation, 5-HT1A receptor expression, and 5-HT responses in rat motoneurons
    • Talley E.M., Sadr N.N., Bayliss D.A. Postnatal development of serotonergic innervation, 5-HT1A receptor expression, and 5-HT responses in rat motoneurons. J. Neurosci. 17:1997;4473-4485.
    • (1997) J. Neurosci. , vol.17 , pp. 4473-4485
    • Talley, E.M.1    Sadr, N.N.2    Bayliss, D.A.3
  • 54
    • 0029821093 scopus 로고    scopus 로고
    • Descending inhibition in neonatal rat spinal cord: Actions of pentobarbital and morphine
    • Tarasiuk A., Gibbs L., Kendig J.J. Descending inhibition in neonatal rat spinal cord Actions of pentobarbital and morphine . Brain Res. Bull. 41:1996;39-45.
    • (1996) Brain Res. Bull. , vol.41 , pp. 39-45
    • Tarasiuk, A.1    Gibbs, L.2    Kendig, J.J.3


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