Control natural de la natalidad
By: Margaret Nofziger ; [traducción Patricia Olvera, Miguel Alvarez].
Series: Biblioteca Natura
Publisher: Editorial Posada
Published: 1979
Place of publication: México
Language: spa
Number of pages: 126
Subjects: Birth control.
Work titles: Cooperative method of natural birth control.
Notes: Translation of: A cooperative method of natural birth control.

Includes index.

Includes bibliographical references (p. 123-124).