WHO's model list of essential drugs: a beacon through two decades.
Saunders
P
P
UK Cochrane Centre, Oxford.
Herxheimer
A
A
D004351:Drug Resistance; D004358:Drug Therapy / Q000592:standards; D006801:Humans; D004364:Pharmaceutical Preparations / Q000145:classification; D014944:World Health Organization
D004364:Pharmaceutical Preparations