TECHNICAL REPORT SERIES / WORLD HEALTH ORGANIZATION 656 542,976 ASSESSMENT Assessment of public health and social problems associated with the use of psychotropic drugs : report of the WHO Expert Committee on Implementation of the Convention on Psychotropic Substances, 1971. — Geneva : WHO, 1981. — 54 s. ; 21 cm (Technical Report Series / World Health Organization ; 656) ISBN 92-4-120656-X