Affiliation: | (1) Department of Physiology and Biophysics, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA;(2) Department of Neurosciences, Lerner Research Institute, The Cleveland Clinic Foundation, Cleveland, OH 44195, USA;(3) Present address: Centocor, Inc., 145 King of Prussia Road, Radnor, PA 19087, USA;(4) Present address: Department of Neurosciences, Medical University of South Carolina, 114 Doughty St., Rm 338, Charleston, SC 29425, USA |