A trial of the ovulation method of family planning in Tonga
Lancet (London, England), 2(7781), 813-816
Abstract
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Cite this article
Weissmann MC, Foliaki L, Billings EL, Billings JJ (1972). A trial of the ovulation method of family planning in Tonga. *Lancet (London, England)*, *2*(7781), 813-816. https://doi.org/10.1016/s0140-6736(72)92164-2
Weissmann MC, Foliaki L, Billings EL, Billings JJ. A trial of the ovulation method of family planning in Tonga. Lancet. 1972. doi:10.1016/s0140-6736(72)92164-2
Weissmann, M. C., et al. "A trial of the ovulation method of family planning in Tonga." *Lancet (London, England)*, 1972.
Keywords
Adolescent, Adult, Cervix Mucus, Family Planning Services, Female, Follow-Up Studies, Humans, Methods, Middle Aged, Ovulation, Periodicity, Polynesia, Poverty, Time Factors, Vaginal Smears