Birth rate drops at the end of the 19th century and the first half of the 20th century. Coitus interruptus as primary form of contraception

Treffers, P.E.

Nederlands Tijdschrift Voor Geneeskunde 153(5): 201-205

2009


ISSN/ISBN: 0028-2162
PMID: 19256249
Document Number: 634367

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