295,941 PROCEEDINGS Proceedings of the 1983 International Narcotic Research Conference : 26 June — 1 July, 1983 / Frank Porreca and Thomas P. Burks [...] —vXVII, [1], 780 s. tabl. : il., wykr. ; 25 cm (Life Sciences ; suppl. 1) New York [etc]:Pergamon Press 1983