00859nam a22003257i 4500 20141212093600.0 950608s1995 sp gr 000 0 spa c 1476-7392 (online) 1606-6359 (papel) eng BARNARD, M. COMBINING QUANTITATIVE AND QUALITATIVE APPROACHES: RESEARCHING HIV-RELATED RISK BEHAVIOURS AMONG DRUG INJECTORS Alto riesgo Drogodependencias Investigación Jeringuillas Sida Vía intravenosa Adicciones Documental FRISCHER, M. ADDICTION RESEARCH Vol. 2, no. 4 (1995), p. 351-362 11.8 17.3 A3c Q4a AR 19950608 R.1038 AR