Family Planning - "Billings" ovulation method
Revista da Escola de Enfermagem da U S P, 14(3), 257-263
Abstract
The authors present "Billing" ovulation method as natural family planning.
Topics
Cite this article
Bhering, M. S., & Kajiyama, H. (1980). Family Planning - "Billings" ovulation method. *Revista da Escola de Enfermagem da U S P*, *14*(3), 257-263. https://doi.org/10.1590/0080-6234198001400300257
Bhering MS, Kajiyama H. Family Planning - "Billings" ovulation method. Rev Esc Enferm USP. 1980;14(3):257-263. doi:10.1590/0080-6234198001400300257
Bhering, Martha Sílvia, and Hisako Kajiyama. "Family Planning - "Billings" ovulation method." *Revista da Escola de Enfermagem da U S P*, vol. 14, no. 3, 1980, pp. 257-263.