The rhythm way to family happiness
Subtitle: a lifetime reference for the use of the rhythm method.  A practical manual for application of the medical findings of Dr. K. Ogino and Dr. H. Knaus...
By: By John P. Murphy and John D. Laux
Contributors: Laux, John Donald, 1911- joint author.
Edition: [2d ed.]
Publisher: Hawthorne Books
Published: 1957
Place of publication: New York
Language: eng
Number of pages: 200
Subjects: Contraception.
Other titles: Rhythm Indicator, inc., Elmira, N.Y. The rhythm way for birth control.
Notes: First ed. by Rhythm Indicator, inc., Elmira, N.Y., published in 1950 under the title: The rhythm way for birth control.