00805nam a22002777i 450000500170000000800410001702200220005802200230008004100080010310000190011124500980013065000120022865000200024065000220026065000120028265000200029465000210031465000330033565000170036865000220038565100120040765300150041965500150043470000110044977300670046020161227121222.0110607s2011 sp gr 000 0 spa c a1022-6877 (papel) a1421-9891 (online) aeng1 aAmundsen, E.J.10aA Method to estimate total entry to hard drug use: the case of intravenous drug use in Norway14aConsumo14aDrogas ilegales14aDrogodependencias14aEfectos14aEpidemiología14aFactor de riesgo14aPlanificación de servicios14aPredicción14aVía intravenosa14aNoruega10aAdicciones 4aDocumental1 aet al.0 tEuropean Addiction ResearchgVol. 17, no. 3 (2011), p. 129-135