[Early mortality in infants in the years 1964-1968].
D000367:Age Factors; D001238:Asphyxia Neonatorum / Q000401:mortality; D001720:Birth Injuries / Q000401:mortality; D003968:Diarrhea, Infantile / Q000401:mortality; D005260:Female; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D011014:Pneumonia / Q000401:mortality; D011044:Poland; D011247:Pregnancy; D001261:Pulmonary Atelectasis / Q000401:mortality
Wczesna umieralność niemowlat w latach 1964-1968.