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'The Spermicidal Powers of Chemical Contraceptives, I Introduction, and experiments on guinea-pig sperms', by John R Baker, Journal of Hygiene
- Date:
- 1930
- Reference:
- SA/FPA/NK/233/5
Licence: In copyright
Credit: 'The Spermicidal Powers of Chemical Contraceptives, I Introduction, and experiments on guinea-pig sperms', by John R Baker, Journal of Hygiene. Source: Wellcome Collection.
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