Anticonceptivos de barrera y espermicidas :

Anticonceptivos de barrera y espermicidas : su uso en la planificaci'on de la familia. = Barrier contraceptives and spermicides : their role in family planning care - Ginebra : Organizaci'on Mundial de la Salud, 1988. - 77 p.


chi eng fre rus spa.

WHODOC

9243561014


Contraceptive devices.
Spermatocidal agents.

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