TY - BOOK AU - Lloyd,W.Eugene TI - Safety evaluation of drugs and chemicals SN - 0891163522 PY - 1981/// CY - New York PB - Hemisphere Pub. KW - Animals, Laboratory KW - Congresses KW - Drug screening KW - Models, Biological KW - Research design N1 - Based on papers presented at a symposium held June 1-4, 1981, at Iowa State University ER -