Dr. Richard Kostrzewa will present a special seminar entitled "L-DOPA Effects on Striatal Microdialysate Levels of Hydroxyl Radical in Parkinsonian Rats" on Thursday, April 17 at 10:30 am in AVC, Lecture B. Dr. Kostrzewa is currently Professor at the Department of Biomedical Sciences, Quillen College of Medicine, East Tennessee State University, Johnson City, Tennessee. He received his PhD in Pharmacology at Philadelphia College of Pharmacy & Science and his Dr.h.c. in Pharmacology at the Medical University of Silesia, Katowice, Poland. His research concentrates on the mechanistic role of 1) dopamine D1 and D2 receptor supersensitivity and 2) serotoninergic modulation of dopaminergic systems. All are welcome to attend.