Medios para evitar el embarazo
Subtitle: paternidad voluntaria
By: Hildegart ; edición preparada por los Drs. Roncalés Mateo, Miñano Navarro, Gómez Calatayud.
Publisher: Guara
Published: 1978
Place of publication: Zaragoza
Language: spa
Number of pages: 126
Subjects: Birth control.; Contraception.
Notes: Reprint of the 1st ed. published in 1938 by Ediciones Orto, Mataró, under title: Paternidad voluntaria.