Randomised controlled clinical trials.
Hart
P D
PD
D049673:History, 20th Century; D006801:Humans; D016032:Randomized Controlled Trials as Topic / Q000266:history*; D013307:Streptomycin / Q000266:history; D014397:Tuberculosis, Pulmonary / Q000188:drug therapy / Q000266:history; D006113:United Kingdom
D013307:Streptomycin