Affiliation: | 1Department of Anatomy, UCLA Center for health Sciences, Los Angeles, CA 90024 U.S.A. 2Department of Anesthesiology, UCLA Center for Health Sciences, Los Angeles, CA 90024 U.S.A. 3Department of Medicine, UCLA Center for Health Sciences, Los Angeles, CA 90024 U.S.A. 4Brain Research Institute, UCLA Center for Health Sciences, Los Angeles, CA 90024 U.S.A. 5Center for Ulcer Research and Education of the VA Medical Center, Wadsworth, UCLA Center for Health Sciences, Los Angeles, CA 90024 U.S.A. |