PT - JOURNAL ARTICLE AU - Peter J M Ronald TI - Cocaine: Scientific and Social Dimensions AID - 10.1136/jech.47.3.251-b DP - 1993 Jun 01 TA - Journal of Epidemiology and Community Health PG - 251--251 VI - 47 IP - 3 4099 - http://jech.bmj.com/content/47/3/251.3.short 4100 - http://jech.bmj.com/content/47/3/251.3.full SO - J Epidemiol Community Health1993 Jun 01; 47