Fertility Awareness · Methods
Natural family planning: ovulation method after Billings (author's transl)
Meier-Vismara E, Meier-Vismara U
Cite this paper
Meier-Vismara, E., & Meier-Vismara, U. (1982). Natural family planning: ovulation method after Billings (author's transl). Geburtshilfe Und Frauenheilkunde, 42(1), 66-69. https://doi.org/10.1055/s-2008-1036626
Meier-Vismara E, Meier-Vismara U. Natural family planning: ovulation method after Billings (author's transl). Geburtshilfe Frauenheilkd. 1982;42(1):66-69. doi:10.1055/s-2008-1036626
Meier-Vismara, Elisabetta, and U. Meier-Vismara. "Natural family planning: ovulation method after Billings (author's transl)." Geburtshilfe Und Frauenheilkunde, vol. 42, no. 1, 1982, pp. 66-69.
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