The Rhythm of sterility and fertility in women : 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 imposible and when possible /
Leo J. Latz
- 2a edición
- Chicago, Illinois : Latz foundation, 1932
- vii, 108 p. : il. ; 16 cm
Control de la natalidad Anticoncepción Esterilidad