The emergence of the cooperative clinical trial.
D004341:Drug Evaluation; D005260:Female; D006801:Humans; D007391:International Cooperation; D007538:Isoniazid / Q000627:therapeutic use; D010406:Penicillins / Q000627:therapeutic use; D011247:Pregnancy; D012106:Research; D012107:Research Design; D013307:Streptomycin / Q000627:therapeutic use; D013587:Syphilis / Q000188:drug therapy; D014376:Tuberculosis / Q000188:drug therapy; D006113:United Kingdom; D014481:United States
D010406:Penicillins; D007538:Isoniazid; D013307:Streptomycin