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Table of Contents: October 2003; 90 (4) [Index by Author]   [Editorial Board] [Cover]
Editorials
Editorial Focus
Articles
Translational Physiology
Innovative Methodologies
Reports
Letters to the Editor
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Editorials

Eve Marder
KEEPING THE RECORD STRAIGHT—The Legacy Project and Letters to the Editor
J Neurophysiol 90: 2087-2087, 2003; 10.1152/jn.00626.2003 [Full Text]  


Editorial Focus

Nina S. Bradley
Connecting the Dots Between Animal and Human Studies of Locomotion. Focus on "Infants Adapt Their Stepping to Repeated Trip-Inducing Stimuli"
J Neurophysiol 90: 2088-2089, 2003; 10.1152/jn.00619.2003 [Full Text]  


Articles

Daichi Nozaki, Noritaka Kawashima, Yu Aramaki, Masami Akai, Kimitaka Nakazawa, Yasoichi Nakajima, and Hideo Yano
Sustained Muscle Contractions Maintained by Autonomous Neuronal Activity Within the Human Spinal Cord
J Neurophysiol 90: 2090-2097, 2003. First published May 28, 2003; 10.1152/jn.00200.2003 [Abstract] [Full Text]  

Brian E. Cairns, Peter Svensson, Kelun Wang, Steen Hupfeld, Thomas Graven-Nielsen, Barry J. Sessle, Charles B. Berde, and Lars Arendt-Nielsen
Activation of Peripheral NMDA Receptors Contributes to Human Pain and Rat Afferent Discharges Evoked by Injection of Glutamate into the Masseter Muscle
J Neurophysiol 90: 2098-2105, 2003. First published June 18, 2003; 10.1152/jn.00353.2003 [Abstract] [Full Text]  

Adolfo E. Talpalar and Yoram Grossman
Modulation of Rat Corticohippocampal Synaptic Activity by High Pressure and Extracellular Calcium: Single and Frequency Responses
J Neurophysiol 90: 2106-2114, 2003. First published April 23, 2003; 10.1152/jn.00894.2002 [Abstract] [Full Text]  

You Komagiri and Naoki Kitamura
Effect of Intracellular Dialysis of ATP on the Hyperpolarization-Activated Cation Current in Rat Dorsal Root Ganglion Neurons
J Neurophysiol 90: 2115-2122, 2003. First published July 9, 2003; 10.1152/jn.00442.2003 [Abstract] [Full Text]  

Wan Jiang and Barry E. Stein
Cortex Controls Multisensory Depression in Superior Colliculus
J Neurophysiol 90: 2123-2135, 2003; 10.1152/jn.00369.2003 [Abstract] [Full Text]  

M. A. Admiraal, N.L.W. Keijsers, and C.C.A.M. Gielen
Interaction Between Gaze and Pointing Toward Remembered Visual Targets
J Neurophysiol 90: 2136-2148, 2003. First published June 18, 2003; 10.1152/jn.00429.2003 [Abstract] [Full Text]  

Daniel J. Tollin and Tom C.T. Yin
Psychophysical Investigation of an Auditory Spatial Illusion in Cats: The Precedence Effect
J Neurophysiol 90: 2149-2162, 2003. First published June 11, 2003; 10.1152/jn.00381.2003 [Abstract] [Full Text]  

Frank Richter, Sven Rupprecht, Alfred Lehmenkühler, and Hans-Georg Schaible
Spreading Depression Can Be Elicited in Brain Stem of Immature But Not Adult Rats
J Neurophysiol 90: 2163-2170, 2003. First published June 4, 2003; 10.1152/jn.00388.2003 [Abstract] [Full Text]  

M. Matthew Oh, Amy G. Kuo, Wendy W. Wu, Evgeny A. Sametsky, and John F. Disterhoft
Watermaze Learning Enhances Excitability of CA1 Pyramidal Neurons
J Neurophysiol 90: 2171-2179, 2003. First published June 18, 2003; 10.1152/jn.01177.2002 [Abstract] [Full Text]  

Chao Qin, Beverley Greenwood-Van Meerveld, and Robert D. Foreman
Spinal Neuronal Responses to Urinary Bladder Stimulation in Rats With Corticosterone or Aldosterone Onto the Amygdala
J Neurophysiol 90: 2180-2189, 2003. First published June 18, 2003; 10.1152/jn.00298.2003 [Abstract] [Full Text]  

N. C. Dembrow, J. Jing, A. Proekt, A. Romero, F. S. Vilim, E. C. Cropper, and K. R. Weiss
A Newly Identified Buccal Interneuron Initiates and Modulates Feeding Motor Programs in Aplysia
J Neurophysiol 90: 2190-2204, 2003. First published June 11, 2003; 10.1152/jn.00173.2003 [Abstract] [Full Text]  

Mark M. Churchland, I-Han Chou, and Stephen G. Lisberger
Evidence for Object Permanence in the Smooth-Pursuit Eye Movements of Monkeys
J Neurophysiol 90: 2205-2218, 2003. First published June 18, 2003; 10.1152/jn.01056.2002 [Abstract] [Full Text]  

C. Cabanes, F. Viana, and C. Belmonte
Differential Thermosensitivity of Sensory Neurons in the Guinea Pig Trigeminal Ganglion
J Neurophysiol 90: 2219-2231, 2003; 10.1152/jn.00299.2003 [Abstract] [Full Text]  

Alyson J. Woodall, Hiroaki Naruo, David J. Prince, Zhong Ping Feng, William Winlow, Mayumi Takasaki, and Naweed I. Syed
Anesthetic Treatment Blocks Synaptogenesis But Not Neuronal Regeneration of Cultured Lymnaea Neurons
J Neurophysiol 90: 2232-2239, 2003. First published June 18, 2003; 10.1152/jn.00347.2003 [Abstract] [Full Text]  

Ángel M. Pastor and David González-Forero
Recruitment Order of Cat Abducens Motoneurons and Internuclear Neurons
J Neurophysiol 90: 2240-2252, 2003. First published June 18, 2003; 10.1152/jn.00402.2003 [Abstract] [Full Text]  

Zhouyan Feng and Dominique M. Durand
Low-Calcium Epileptiform Activity in the Hippocampus In Vivo
J Neurophysiol 90: 2253-2260, 2003; 10.1152/jn.00241.2003 [Abstract] [Full Text]  

M. Kössl, E. Foeller, M. Drexl, M. Vater, E. Mora, F. Coro, and I. J. Russell
Postnatal Development of Cochlear Function in the Mustached Bat, Pteronotus parnellii
J Neurophysiol 90: 2261-2273, 2003; 10.1152/jn.00100.2003 [Abstract] [Full Text]  

M. Vater, M. Kössl, E. Foeller, F. Coro, E. Mora, and I. J. Russell
Development of Echolocation Calls in the Mustached Bat, Pteronotus parnellii
J Neurophysiol 90: 2274-2290, 2003; 10.1152/jn.00101.2003 [Abstract] [Full Text]  

D. D. Wang, D. D. Krueger, and A. Bordey
Biophysical Properties and Ionic Signature of Neuronal Progenitors of the Postnatal Subventricular Zone In Situ
J Neurophysiol 90: 2291-2302, 2003. First published June 11, 2003; 10.1152/jn.01116.2002 [Abstract] [Full Text]  

Young H. Sohn, Nguyet Dang, and Mark Hallett
Suppression of Corticospinal Excitability During Negative Motor Imagery
J Neurophysiol 90: 2303-2309, 2003; 10.1152/jn.00206.2003 [Abstract] [Full Text]  

Ronnie J. H. Wilmink and T. Richard Nichols
Distribution of Heterogenic Reflexes Among the Quadriceps and Triceps Surae Muscles of the Cat Hind Limb
J Neurophysiol 90: 2310-2324, 2003. First published June 25, 2003; 10.1152/jn.00833.2002 [Abstract] [Full Text]  

Amy B. Harkins, Anne L. Cahill, James F. Powers, Arthur S. Tischler, and Aaron P. Fox
Expression of Recombinant Calcium Channels Support Secretion in a Mouse Pheochromocytoma Cell Line
J Neurophysiol 90: 2325-2333, 2003. First published July 16, 2003; 10.1152/jn.00425.2003 [Abstract] [Full Text]  

Jennifer M. Jensen and Riyi Shi
Effects of 4-Aminopyridine on Stretched Mammalian Spinal Cord: The Role of Potassium Channels in Axonal Conduction
J Neurophysiol 90: 2334-2340, 2003. First published July 9, 2003; 10.1152/jn.00868.2002 [Abstract] [Full Text]  

Petronella Kettunen, Dietmar Hess, and Abdeljabbar El Manira
mGluR1, But Not mGluR5, Mediates Depolarization of Spinal Cord Neurons by Blocking a Leak Current
J Neurophysiol 90: 2341-2348, 2003. First published June 18, 2003; 10.1152/jn.01132.2002 [Abstract] [Full Text]  

Daniel A. Nicholson and John H. Freeman, Jr.
Developmental Changes in Evoked Purkinje Cell Complex Spike Responses
J Neurophysiol 90: 2349-2357, 2003. First published July 16, 2003; 10.1152/jn.00481.2003 [Abstract] [Full Text]  

Laura Lee Colgin, Enikö A. Kramár, Christine M. Gall, and Gary Lynch
Septal Modulation of Excitatory Transmission in Hippocampus
J Neurophysiol 90: 2358-2366, 2003. First published July 2, 2003; 10.1152/jn.00262.2003 [Abstract] [Full Text]  

Shinji Ohara and Fred A. Lenz
Medial Lateral Extent of Thermal and Pain Sensations Evoked By Microstimulation in Somatic Sensory Nuclei of Human Thalamus
J Neurophysiol 90: 2367-2377, 2003. First published July 2, 2003; 10.1152/jn.00450.2003 [Abstract] [Full Text]  

Adam L. Weaver and Scott L. Hooper
Relating Network Synaptic Connectivity and Network Activity in the Lobster (Panulirus interruptus) Pyloric Network
J Neurophysiol 90: 2378-2386, 2003. First published June 11, 2003; 10.1152/jn.00705.2002 [Abstract] [Full Text]  

Arnaud. J. Noreńa, Masahiko Tomita, and Jos J. Eggermont
Neural Changes in Cat Auditory Cortex After a Transient Pure-Tone Trauma
J Neurophysiol 90: 2387-2401, 2003. First published May 28, 2003; 10.1152/jn.00139.2003 [Abstract] [Full Text]  

Marom Bikson, Philip J. Hahn, John E. Fox, and John G.R. Jefferys
Depolarization Block of Neurons During Maintenance of Electrographic Seizures
J Neurophysiol 90: 2402-2408, 2003. First published June 11, 2003; 10.1152/jn.00467.2003 [Abstract] [Full Text]  

Jörn Diedrichsen, Eliot Hazeltine, Wesley K. Nurss, and Richard B. Ivry
The Role of the Corpus Callosum in the Coupling of Bimanual Isometric Force Pulses
J Neurophysiol 90: 2409-2418, 2003; 10.1152/jn.00250.2003 [Abstract] [Full Text]  

Wendy S. Hadfield, Mark G. Baxter, and Elisabeth A. Murray
Effects of Combined and Separate Removals of Rostral Dorsal Superior Temporal Sulcus Cortex and Perirhinal Cortex on Visual Recognition Memory in Rhesus Monkeys
J Neurophysiol 90: 2419-2427, 2003. First published June 25, 2003; 10.1152/jn.00290.2003 [Abstract] [Full Text]  

Thomas Berger, Walter Senn, and Hans-R. Lüscher
Hyperpolarization-Activated Current Ih Disconnects Somatic and Dendritic Spike Initiation Zones in Layer V Pyramidal Neurons
J Neurophysiol 90: 2428-2437, 2003. First published June 11, 2003; 10.1152/jn.00377.2003 [Abstract] [Full Text]  

Dawn M. Blitz and Wade G. Regehr
Retinogeniculate Synaptic Properties Controlling Spike Number and Timing in Relay Neurons
J Neurophysiol 90: 2438-2450, 2003; 10.1152/jn.00562.2003 [Abstract] [Full Text]  

Tibor Hortobágyi, Janet L. Taylor, Nicolas T. Petersen, Gabrielle Russell, and Simon C. Gandevia
Changes in Segmental and Motor Cortical Output With Contralateral Muscle Contractions and Altered Sensory Inputs in Humans
J Neurophysiol 90: 2451-2459, 2003; 10.1152/jn.01001.2002 [Abstract] [Full Text]  

A. R. Dickinson, J. L. Calton, and L. H. Snyder
Nonspatial Saccade-Specific Activation in area LIP of Monkey Parietal Cortex
J Neurophysiol 90: 2460-2464, 2003. First published June 11, 2003; 10.1152/jn.00788.2002 [Abstract] [Full Text]  

DeForest Mellon, Jr.
Dendritic Initiation and Propagation of Spikes and Spike Bursts in a Multimodal Sensory Interneuron: The Crustacean Parasol Cell
J Neurophysiol 90: 2465-2477, 2003. First published June 4, 2003; 10.1152/jn.00310.2003 [Abstract] [Full Text]  

Arianna Maffei, Francesca Prestori, Katsuei Shibuki, Paola Rossi, Vanni Taglietti, and Egidio D'Angelo
NO Enhances Presynaptic Currents During Cerebellar Mossy Fiber—Granule Cell LTP
J Neurophysiol 90: 2478-2483, 2003; 10.1152/jn.00399.2003 [Abstract] [Full Text]  

A. Nabatiyan, J.F.A. Poulet, G. G. de Polavieja, and B. Hedwig
Temporal Pattern Recognition Based on Instantaneous Spike Rate Coding in a Simple Auditory System
J Neurophysiol 90: 2484-2493, 2003; 10.1152/jn.00259.2003 [Abstract] [Full Text]  

Thomas Sickmann and Christian Alzheimer
Short-Term Desensitization of G-Protein-Activated, Inwardly Rectifying K+ (GIRK) Currents in Pyramidal Neurons of Rat Neocortex
J Neurophysiol 90: 2494-2503, 2003; 10.1152/jn.00112.2003 [Abstract] [Full Text]  

Simon J. Bennett and Graham R. Barnes
Human Ocular Pursuit During the Transient Disappearance of a Visual Target
J Neurophysiol 90: 2504-2520, 2003; 10.1152/jn.01145.2002 [Abstract] [Full Text]  

C. Sévoz-Couche, M.-A. Comet, M. Hamon, and R. Laguzzi
Role of Nucleus Tractus Solitarius 5-HT3 Receptors in the Defense Reaction–Induced Inhibition of the Aortic Baroreflex in Rats
J Neurophysiol 90: 2521-2530, 2003. First published May 28, 2003; 10.1152/jn.00275.2003 [Abstract] [Full Text]  

John Y. Lin, Michiel van Wyk, Tharushini K. Bowala, Min-Yau Teo, and Janusz Lipski
Dendritic Projections and Dye-Coupling in Dopaminergic Neurons of the Substantia Nigra Examined in Horizontal Brain Slices From Young Rats
J Neurophysiol 90: 2531-2535, 2003. First published June 18, 2003; 10.1152/jn.00020.2003 [Abstract] [Full Text]  

Helen E. Scharfman, Anne L. Sollas, Russell E. Berger, and Jeffrey H. Goodman
Electrophysiological Evidence of Monosynaptic Excitatory Transmission Between Granule Cells After Seizure-Induced Mossy Fiber Sprouting
J Neurophysiol 90: 2536-2547, 2003; 10.1152/jn.00251.2003 [Abstract] [Full Text]  

Y. M. Kang, M. J. Kenney, K. F. Spratt, and J. G. Pickar
Somatosympathetic Reflexes From the Low Back in the Anesthetized Cat
J Neurophysiol 90: 2548-2559, 2003. First published June 11, 2003; 10.1152/jn.00999.2002 [Abstract] [Full Text]  

Karen T. Reilly and Marc H. Schieber
Incomplete Functional Subdivision of the Human Multitendoned Finger Muscle Flexor Digitorum Profundus: An Electromyographic Study
J Neurophysiol 90: 2560-2570, 2003. First published June 18, 2003; 10.1152/jn.00287.2003 [Abstract] [Full Text]  

Izabela Panek, Shannon Meisner, and Päivi H. Torkkeli
Distribution and Function of GABAB Receptors in Spider Peripheral Mechanosensilla
J Neurophysiol 90: 2571-2580, 2003. First published June 11, 2003; 10.1152/jn.00321.2003 [Abstract] [Full Text]  

F. Aura Ene, Paul H. M. Kullmann, Deda C. Gillespie, and Karl Kandler
Glutamatergic Calcium Responses in the Developing Lateral Superior Olive: Receptor Types and Their Specific Activation by Synaptic Activity Patterns
J Neurophysiol 90: 2581-2591, 2003. First published July 9, 2003; 10.1152/jn.00238.2003 [Abstract] [Full Text]  

Vladimir Brezina, Irina V. Orekhova, and Klaudiusz R. Weiss
Neuromuscular Modulation in Aplysia. I. Dynamic Model
J Neurophysiol 90: 2592-2612, 2003. First published July 9, 2003; 10.1152/jn.01091.2002 [Abstract] [Full Text]  

Vladimir Brezina, Irina V. Orekhova, and Klaudiusz R. Weiss
Neuromuscular Modulation in Aplysia. II. Modulation of the Neuromuscular Transform in Behavior
J Neurophysiol 90: 2613-2628, 2003. First published July 9, 2003; 10.1152/jn.01093.2002 [Abstract] [Full Text]  

M. L. Sutter and W. C. Loftus
Excitatory and Inhibitory Intensity Tuning in Auditory Cortex: Evidence for Multiple Inhibitory Mechanisms
J Neurophysiol 90: 2629-2647, 2003. First published June 11, 2003; 10.1152/jn.00722.2002 [Abstract] [Full Text]  

Susanne J. Sterbing, Klaus Hartung, and Klaus-Peter Hoffmann
Spatial Tuning to Virtual Sounds in the Inferior Colliculus of the Guinea Pig
J Neurophysiol 90: 2648-2659, 2003. First published July 2, 2003; 10.1152/jn.00348.2003 [Abstract] [Full Text]  

Jennifer F. Linden, Robert C. Liu, Maneesh Sahani, Christoph E. Schreiner, and Michael M. Merzenich
Spectrotemporal Structure of Receptive Fields in Areas AI and AAF of Mouse Auditory Cortex
J Neurophysiol 90: 2660-2675, 2003. First published June 18, 2003; 10.1152/jn.00751.2002 [Abstract] [Full Text]  

Melissa A. Vollrath and Ruth Anne Eatock
Time Course and Extent of Mechanotransducer Adaptation in Mouse Utricular Hair Cells: Comparison With Frog Saccular Hair Cells
J Neurophysiol 90: 2676-2689, 2003. First published June 25, 2003; 10.1152/jn.00893.2002 [Abstract] [Full Text]  

Kimmo Jensen, Chi-Sung Chiu, Irina Sokolova, Henry A. Lester, and Istvan Mody
GABA Transporter-1 (GAT1)-Deficient Mice: Differential Tonic Activation of GABAA Versus GABAB Receptors in the Hippocampus
J Neurophysiol 90: 2690-2701, 2003. First published June 18, 2003; 10.1152/jn.00240.2003 [Abstract] [Full Text]  

Steve McGaraughty, Katharine L. Chu, Robert S. Bitner, Brenda Martino, Rachid El Kouhen, Ping Han, Arthur L. Nikkel, Edward C. Burgard, Connie R. Faltynek, and Michael F. Jarvis
Capsaicin Infused Into the PAG Affects Rat Tail Flick Responses to Noxious Heat and Alters Neuronal Firing in the RVM
J Neurophysiol 90: 2702-2710, 2003. First published June 18, 2003; 10.1152/jn.00433.2003 [Abstract] [Full Text]  

Colleen C. Hegg, Edmund Au, A. Jane Roskams, and Mary T. Lucero
PACAP Is Present in the Olfactory System and Evokes Calcium Transients in Olfactory Receptor Neurons
J Neurophysiol 90: 2711-2719, 2003. First published May 21, 2003; 10.1152/jn.00288.2003 [Abstract] [Full Text]  

Jason A. Luther, Alice A. Robie, John Yarotsky, Christopher Reina, Eve Marder, and Jorge Golowasch
Episodic Bouts of Activity Accompany Recovery of Rhythmic Output By a Neuromodulator- and Activity-Deprived Adult Neural Network
J Neurophysiol 90: 2720-2730, 2003. First published July 2, 2003; 10.1152/jn.00370.2003 [Abstract] [Full Text]  


Translational Physiology

Marco Y. C. Pang, Tania Lam, and Jaynie F. Yang
Infants Adapt Their Stepping to Repeated Trip-Inducing Stimuli
J Neurophysiol 90: 2731-2740, 2003. First published June 25, 2003; 10.1152/jn.00407.2003 [Abstract] [Full Text]  


Innovative Methodologies

Andreas Jeromin, Li-Lian Yuan, Andreas Frick, Paul Pfaffinger, and Daniel Johnston
A Modified Sindbis Vector for Prolonged Gene Expression in Neurons
J Neurophysiol 90: 2741-2745, 2003. First published July 9, 2003; 10.1152/jn.00464.2003 [Abstract] [Full Text]  


Reports

Yoshikazu Isomura, Yoko Fujiwara-Tsukamoto, and Masahiko Takada
Glutamatergic Propagation of GABAergic Seizure-Like Afterdischarge in the Hippocampus In Vitro
J Neurophysiol 90: 2746-2751, 2003; 10.1152/jn.00057.2003 [Abstract] [Full Text]  

Y. Isomura, M. Sugimoto, Y. Fujiwara-Tsukamoto, S. Yamamoto-Muraki, J. Yamada, and A. Fukuda
Synaptically Activated Cl Accumulation Responsible for Depolarizing GABAergic Responses in Mature Hippocampal Neurons
J Neurophysiol 90: 2752-2756, 2003; 10.1152/jn.00142.2003 [Abstract] [Full Text]  

Tatiana Pasternak and Daniel Zaksas
Stimulus Specificity and Temporal Dynamics of Working Memory for Visual Motion
J Neurophysiol 90: 2757-2762, 2003. First published June 11, 2003; 10.1152/jn.00422.2003 [Abstract] [Full Text]  

Mark Shelhamer and Wilsaan M. Joiner
Saccades Exhibit Abrupt Transition Between Reactive and Predictive, Predictive Saccade Sequences Have Long-Term Correlations
J Neurophysiol 90: 2763-2769, 2003; 10.1152/jn.00478.2003 [Abstract] [Full Text]  

Julio C. Martinez-Trujillo, Eliana M. Klier, Hongying Wang, and J. Douglas Crawford
Contribution of Head Movement to Gaze Command Coding in Monkey Frontal Cortex and Superior Colliculus
J Neurophysiol 90: 2770-2776, 2003; 10.1152/jn.00330.2003 [Abstract] [Full Text] [Supplemental Figure]  

J. Douglas Crawford, Douglas B. Tweed, and Tutis Vilis
Static Ocular Counterroll Is Implemented Through the 3-D Neural Integrator
J Neurophysiol 90: 2777-2784, 2003; 10.1152/jn.00231.2003 [Abstract] [Full Text]  

Xiuxin Liu, Stefan Titz, Andrea Lewen, and Ulrich Misgeld
KCC2 Mediates NH4+ Uptake in Cultured Rat Brain Neurons
J Neurophysiol 90: 2785-2790, 2003. First published August 6, 2003; 10.1152/jn.00482.2003 [Abstract] [Full Text]  


Letters to the Editor

Alexander A. Mongin, Harold K. Kimelberg, and Brian A. MacVicar
Is autocrine ATP release required for activation of volume-sensitive chloride channels?
J Neurophysiol 90: 2791-2793, 2003; 10.1152/jn.00615.2003 [Full Text]  


To see an article, click its [Full Text] link. To review many abstracts, check the boxes to the left of the titles you want, and click the 'Get All Checked Abstracts' button. To see one abstract at a time, click its [Abstract] link.


Cover

Cover Image

Cover: Side panels, top to bottom: nerve stimulation-evoked calcium signals in nerve terminals of the frog neuromuscular junction before (left) and after (right) application of the spider toxin ω-Ptx-IIA. The images show relative Ca2+ levels before, during, and after 60 Hz nerve stimulation. See Figure 3 in article by Troncone et al. Center panel: photograph of the Brazilian armed spider (Phoneutria nigriventer) in attack posture. The venom of this formidable predator contains many poisonous components including ω-Ptx-IIA which acts on calcium channels and can block synaptic transmission. Photo courtesy of Giuseppe Puorto, Instituto Butantan, Sao Paulo, Brazil. From: Troncone LR, Georgiou J, Hua S-Y, Elrick D, Magnoli IL, Charlton MP. Promiscuous and reversible blocker of presynaptic calcium influx in frog and crayfish neuromuscular junctions from Phoneutria nigriventer spider venom. J Neurophysiol. August 14, 2003; 10.1152/jn.00155.2003.


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