The rhythm method of birth control
By: [by] Bernard J. Pisani, Jules Rivkind [and] Robert M. Kristal.
Contributors: Rivkind, Jules, joint author.; Kristal, Robert M., joint author.
Publisher: [Essandess Special Editions]
Published: 1967
Place of publication: New York
Language: eng
Number of pages: 64
Subjects: Natural family planning -- Calendar method.