[Twin deliveries in the period 1951-1961 in the 2d Clinic of Obstetrics and Gynecology in Bytom].
D005260:Female; D006801:Humans; D007231:Infant, Newborn; D011044:Poland; D011247:Pregnancy; D013223:Statistics as Topic; D014427:Twins
Porody bliźniacze w latach 1951-1961 w II Klinice Połoznictwa i Chorób Kobiecych w Bytomiu.