A fixed formula to define the fertile window of the menstrual cycle as the basis of a simple method of natural family planning
Open Access
- 1 December 1999
- journal article
- Published by Elsevier BV in Contraception
- Vol. 60 (6), 357-360
- https://doi.org/10.1016/s0010-7824(99)00106-7
Abstract
No abstract availableKeywords
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