(1985). A Classified bibliography of controlled trials in perinatal medicine, 1940-84 / prepared by National Perinatal Epidemiology Unit, University of Oxford.
Citace podle Chicago (17th ed.)A Classified Bibliography of Controlled Trials in Perinatal Medicine, 1940-84 / Prepared by National Perinatal Epidemiology Unit, University of Oxford. 1985.
Citace podle MLA (9th ed.)A Classified Bibliography of Controlled Trials in Perinatal Medicine, 1940-84 / Prepared by National Perinatal Epidemiology Unit, University of Oxford. 1985.
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