Historique
P. H. HUGHES ;
G. A. CRAWFORD ;
N. W. BARKER ;
SCHUMANN S. ;
J. H. JAFFE
|
1971
Dans American Journal of Psychiatry (Vol.128, n°5, November 1971) Article : Périodique
Dans American Journal of Psychiatry (Vol.128, n°5, November 1971) Article : Périodique
ENGLISH :
A field worker was assigned to a heroin distribution site or 'copping area' in a Chicago neighborhood for a period of one year. He identified and monitored 127 different dealers and consumers who were regular visitors to the site. Th[...]
