[Some aspects of family planning and population reproduction].
Fritsche
U
U
D001723:Birth Rate; D005193:Family Planning Services / Q000639:trends*; D005260:Female; D005859:Germany, East; D006801:Humans; D007231:Infant, Newborn; D011158:Population Growth; D011247:Pregnancy
Einige Aspekte zur Familienplanung und Bevölkerungsreproduktion.