[Relationship between premature births and the social environment].
D004522:Educational Status; D005260:Female; D005859:Germany, East; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D007752:Obstetric Labor, Premature; D011247:Pregnancy; D012931:Social Environment
Uber die Beziehung Zwischen Frühgeburt und sozialem Milieu