00728nam a22002537i 450000500170000000800410001702200220005804100080008010000150008824500830010365000230018665000150020965000220022465000180024665000300026465000270029465000160032165100110033765300200034865300150036865500150038370000110039877300650040920141212093321.0921111s1992    sp     gr     000 0 spa c  a0376-8716 (papel)  aeng1 aBROOKE, D.10aWEIGHING UP THE PROS AND CONS: HELP-SEEKING BY DRUG MISUSERS IN BALTIMORE, USA14aActitudes usuarios14aAtención14aDrogodependencias14aEstudio local14aEvaluación de servicios14aServicios ambulatorios14aTratamiento14aEE.UU.10aAcción social10aAdicciones 4aDocumental1 aET AL.0 tDRUG AND ALCOHOL DEPENDENCEgVol. 31, no. 1 (1992), p. 37-43