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Todd N, Lerch M. Socioeconomic development predicts a weaker contraceptive effect of
breastfeeding. Proc Natl Acad Sci U S A 2021;118.
PMID: 34253613
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Todd N, Lerch M. Socioeconomic development predicts a weaker contraceptive effect of
breastfeeding. Proc Natl Acad Sci U S A 2021;118.
PMID: 34253613
|
|
|
|