[Development of birthrates in the GDR with special reference to young mothers].
D000293:Adolescent; D000328:Adult; D001721:Birth Intervals; D001723:Birth Rate; D005260:Female; D005859:Germany, East; D006801:Humans; D007231:Infant, Newborn
Geburtenentwicklung in der DDR unter bersonderer Berücksichtigung der jungen Mütter.