00739nam a22002417i 450000500170000000800410001702200220005802200230008004100080010310000200011124500960013165000230022765000170025065000130026765000250028065000220030565000220032765000170034965300150036665500150038170000150039677300860041120141212093239.0911218s1991    sp     gr     000 0 spa c  a1082-6084 (papel)  a1532-2491 (online)  aeng1 aELLICKSON, P.L.10aBELIEFS ABOUT RESISTANCE SELF-EFFICACY AND DRUG PREVALENCE: DO THEY REALLY AFFECT DRUG USE?14aActitudes sociales14aAntecedentes14aConducta14aDesarrollo cognitivo14aDrogodependencias14aFactores sociales14aPredicción10aAdicciones 4aDocumental1 aHAYS, R.D.0 tINTERNATIONAL JOURNAL OF THE ADDICTIONS,THEgVol. 25, no. 11 (1991), p. 1353-1378