title: Fisher and Bradford Hill: their personal impact.
authors.affiliation: Sir Richard Doll, CTSU, Harkness Building, Radcliffe Infirmary, Oxford OX2 6HE, UK.
authors.forename: Richard
authors.initials: R
authors.lastname: Doll
mesh_terms: D015984:Causality; D004739:England; D032984:Ethics, Research / Q000266:history; D049673:History, 20th Century; D006801:Humans; D016032:Randomized Controlled Trials as Topic / Q000266:history; D012107:Research Design; D013223:Statistics as Topic / Q000266:history*