Papers And Originals Oral Contraceptive Hormones and Blood Coagulability Br Med J 1965; 2 doi: https://doi.org/10.1136/bmj.2.5456.270 (Published 31 July 1965) Cite this as: Br Med J 1965;2:270 Article Related content Metrics Responses Peer review Related articles No related articles found. See more The BMJ Christmas appeal 2016-7: Orbis, the sight savers BMJ December 01, 2016, 355 i6425; DOI: https://doi.org/10.1136/bmj.i6425 Leaps in the dark BMJ December 01, 2016, 355 i6447; DOI: https://doi.org/10.1136/bmj.i6447 NHS spent 8% more on medicines last year BMJ November 23, 2016, 355 i6320; DOI: https://doi.org/10.1136/bmj.i6320 Seven days in medicine: 9 to 15 November 2016 BMJ November 17, 2016, 355 i6106; DOI: https://doi.org/10.1136/bmj.i6106 Babies with microcephaly in Brazil are struggling to access care BMJ November 16, 2016, 355 i6157; DOI: https://doi.org/10.1136/bmj.i6157
