Abstract not indexed.
By this author
Medical Eligibility Criteria for Contraceptive Use (5th edition)
World Health Organization, 2015
Family Planning Use and Attitudes · Attitudes and Acceptability
A prospective multicenter trial of the ovulation method of natural family planning. V. Psychosexual aspects. World Health Organization
World Health Organization, 1987 · Report
Infections · Pelvic Inflammatory Disease
Infections, pregnancies, and infertility: perspectives on prevention. World Health Organization
World Health Organization, 1987
Methods · Billings Ovulation Method
A prospective multicentre trial of the ovulation method of natural family planning. I. The teaching phase
World Health Organization, 1981 · Report
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DOI 10.2471/b09577 10.2471/b09577 World Health Organization et al. 2025, World Health Organization 2025


