Calendar rhythm and menstrual cycle range
Brayer FT, Chiazze L, Duffy BJ
Fertility and sterility, 1969
DOI 10.1016/s0015-0282(16)36970-9 PMID 5767274
Cite this paper
Brayer, F. T., Chiazze, L., & Duffy, B. J. (1969). Calendar rhythm and menstrual cycle range. Fertility and sterility. https://doi.org/10.1016/s0015-0282(16)36970-9
Brayer FT, Chiazze L, Duffy BJ. Calendar rhythm and menstrual cycle range. Fertility and sterility. 1969. doi:10.1016/s0015-0282(16)36970-9
Brayer, F. T., et al. "Calendar rhythm and menstrual cycle range." Fertility and sterility, 1969.
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