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. 1970 Jan 31;1(5691):252. doi: 10.1136/bmj.1.5691.252

Further doubts about oral contraceptives.

PMCID: PMC1699395 PMID: 4190410

252

Selected References

These references are in PubMed. This may not be the complete list of references from this article.

Butler C., Hill H. Chlormadinone acetate as oral contraceptive. A clinical trial. Lancet. 1969 Jun 7;1(7606):1116–1119. doi: 10.1016/s0140-6736(69)91641-9. [DOI] [PubMed] [Google Scholar]
Klopper A. Developments in steroidal hormonal contraception. Br Med Bull. 1970 Jan;26(1):39–44. doi: 10.1093/oxfordjournals.bmb.a070741. [DOI] [PubMed] [Google Scholar]
Mears E., Vessey M. P., Andolsek L., Oven A. Preliminary evaluation of four oral contraceptives containing only progestogens. Br Med J. 1969 Jun 21;2(5659):730–734. doi: 10.1136/bmj.2.5659.730. [DOI] [PMC free article] [PubMed] [Google Scholar]
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