00532nam a2200169Ia 450000500170000000800410001703500090005804100080006708200080007510000300008324500870011326000450020030000070024550000090025250500630026165000380032420260808125522.0260808s9999||||xx |||||||||||||| ||und||  a6959  aENG  a615  aWorld Health Organization 0aHow to investigate drug use in communitiesbguidelines for social science research  aGenevabWorld Health Oraganizationc1992  a43  aGift  aWHO, pharmaceutical standards, international pharmacopoeia  aWHObPharmacology -- Therapeutics