Introductory remarks.
Klug
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Medical Research Council Laboratory of Molecular Biology, Hills Road, Cambridge CB2 2QH, UK.
D000818:Animals; D002986:Clinical Trials as Topic; D015658:HIV Infections / Q000453:epidemiology* / Q000635:transmission; D006801:Humans; D011055:Poliovirus Vaccine, Oral / Q000009:adverse effects*
D011055:Poliovirus Vaccine, Oral