TY - JOUR T1 - Cocaine: Scientific and Social Dimensions JF - Journal of Epidemiology and Community Health JO - J Epidemiol Community Health SP - 251 LP - 251 DO - 10.1136/jech.47.3.251-b VL - 47 IS - 3 AU - Peter J M Ronald Y1 - 1993/06/01 UR - http://jech.bmj.com/content/47/3/251.3.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -