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John R Baker. 'The Spermicidal Powers of Chemical Contraceptives'. Extracts from original article, Journal of Hygiene Vol XXIX, No 3
- Date:
- Dec 1929
- Reference:
- SA/FPA/SR24A/1
Licence: In copyright
Credit: John R Baker. 'The Spermicidal Powers of Chemical Contraceptives'. Extracts from original article, Journal of Hygiene Vol XXIX, No 3. Source: Wellcome Collection.
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