00588nam a22002057i 450000500170000000800410001702200220005804100080008010000160008824500810010465000220018565000270020765000130023465000150024765300150026265300120027765500150028970000110030477300670031520141212093421.0931026s1993    sp     gr     000 0 spa c  a0376-8716 (papel)  aeng1 aBRESLAU, N.10aEARLY SMOKING INITIATION AND NICOTINE DEPENDENCE IN A COHORT OF YOUNG ADULTS14aDrogodependencias14aFactor de protección14aJuventud14aTabaquismo10aAdicciones10aMenores 4aDocumental1 aET AL.0 tDRUG AND ALCOHOL DEPENDENCEgVol. 33, no. 2 (1993), p. 129-137