The ovulation method
Subtitle: the achievement or avoidance of pregnancy by a technique which is safe, reliable and morally acceptable
By: by John J. Billings.
Edition: [1st] American ed. --
Publisher: Borromeo Guild
Published: 1972
Place of publication: Los Angeles, Ca
Language: eng
Number of pages: 99
Subjects: Rhythm method.; Family planning -- Popular works.; Natural family planning -- Calendar method; Conception
Notes: Bibliography: p. 97-98.