Psychotomimetic Drugs Proceedings of a Workshop organized by the Pharmacology Section, Psychopharmacology Research Branch, National Institute of Mental Health, held at the University of California, Irvine, on January 25–26, 1969. Edited by Daniel H. Efron (Workshop Series of Pharmacology Section, National Institute of Mental Health, No. 4.) Pp. 365. (Raven Press: New York; North-Holland:...