The rhythm of sterility and fertility in women
Subtitle: a discussion of the physiological, practical, and ethical aspects of the discoveries of Drs. K. Ogino (Japan) and H. Knaus (Austria) regarding the periods when conception is impossible and when possible
By: by Leo J. Latz ...
Edition: 4th rev. ed., 60th thousand.
Publisher: Latz foundation
Published: 1934
Place of publication: Chicago, Ill
Language: eng
Number of pages: 128
Subjects: Ogino, Kyusaku, -- b. 1881; Knaus, Hermann H., -- 1892-; Birth control.; Contraception.; Fertility.; Infertility.
Notes: "First printing, October, 1932. Second printing, November, 1932. Third printing, June, 1933. Fourth printing, May, 1934."

Bibliography: p. 8-11.