Aufsatz(elektronisch)#1Mai 1992
Contraceptive efficacy of lactational amenorrhoea
In: Studies in family planning: a publication of the Population Council, Band 23, Heft 3, S. 216
ISSN: 1728-4465
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In: Studies in family planning: a publication of the Population Council, Band 23, Heft 3, S. 216
ISSN: 1728-4465
In: Studies in family planning: a publication of the Population Council, Band 26, Heft 2, S. 107
ISSN: 1728-4465