The use of essential drugs. Report of a WHO expert committee.
D004358:Drug Therapy; D004363:Drug Utilization; D006801:Humans; D008962:Models, Theoretical; D004364:Pharmaceutical Preparations / Q000008:administration & dosage / Q000592:standards / Q000600:supply & distribution*; D012106:Research; D014944:World Health Organization
D004364:Pharmaceutical Preparations