Analyzing contraceptive failure.
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Contraceptive Devices↗
Biomedical subjects
J F Kippley
Publications and source records attributed to J F Kippley.
Couple to Couple League, hospitals cooperate in teaching NFP.
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Family Planning Services↗
The relation between breast-feeding and amenorrhea: report of a survey.
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Amenorrhea↗
The relation between breastfeeding and amenorrhea: report of a survey.
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Amenorrhea↗
On computing failure rates.
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Family Planning Services↗