"A calculated risk": the Salk polio vaccine field trials of 1954.
Meldrum
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National Institutes of Health, Bethesda, MD 20892, USA.
D035061:Control Groups; D005582:Foundations / Q000266:history; D049673:History, 20th Century; D006801:Humans; D011051:Poliomyelitis / Q000266:history* / Q000517:prevention & control; D011054:Poliovirus Vaccine, Inactivated / Q000266:history*; D016032:Randomized Controlled Trials as Topic / Q000266:history*; D012107:Research Design; D012307:Risk Factors; D014481:United States
D011054:Poliovirus Vaccine, Inactivated