Vessey, M. P. (1970). Some epidemiological investigations into the safety of oral contraceptives. University of London.
Citace podle Chicago (17th ed.)Vessey, Martin P. Some Epidemiological Investigations into the Safety of Oral Contraceptives. University of London, 1970.
Citace podle MLA (8th ed.)Vessey, Martin P. Some Epidemiological Investigations into the Safety of Oral Contraceptives. University of London, 1970.
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