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'The Clinical Effectiveness of the Rhythm Method of Contraception' by Christopher Tietze, Samuel R Poliakoff and John Rock, Journal of Fertility and Sterility Vol 2 No. 5
- Date:
- 1951
- Reference:
- SA/FPA/NK/233/26
Licence: In copyright
Credit: 'The Clinical Effectiveness of the Rhythm Method of Contraception' by Christopher Tietze, Samuel R Poliakoff and John Rock, Journal of Fertility and Sterility Vol 2 No. 5. Source: Wellcome Collection.
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