Nature's way
Subtitle: the fertile and sterile periods of marriage
By: by Victor C. Pedersen.
Publisher: G.P. Putnam's sons
Published: 1934
Place of publication: New York
Language: eng
Number of pages: 81
Subjects: Birth control.; Contraception.; Fecundity.; Infertility.; Menstruation.
Notes: "References": p. 75-81.