Proceedings

Dades bibliogràfiques
Autor principal:	Research Conference on Natural Family Planning, Warrenton, Virginia 1972.
Altres autors:	Urichie, William A., Natural family planning
Format:	Llibre
Idioma:	English
Publicat:	Washington, D. C. Human Life Foundations c1973
Matèries:	Birth control > Congresses. Rhythm method (Birth control) > Congresses.