[Maternal and infant welfare in Poland].
D002669:Child Welfare / Q000266:history*; D005260:Female; D049673:History, 20th Century; D006801:Humans; D007231:Infant, Newborn; D008429:Maternal Welfare / Q000266:history*; D011044:Poland; D011247:Pregnancy
Zabota o materi i rebenke v Pol'she.