[Status and problems of contraception in the world and in Belgium in 1978].
D001530:Belgium; D003267:Contraception / Q000379:methods*; D003268:Contraception Behavior; D005060:Europe; D005193:Family Planning Services; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D010342:Patient Acceptance of Health Care; D011247:Pregnancy
Position et problèmes de la contraception dans le monde et en Belgique en 1978.