[Some epidemiological aspects of stillbirths in Poland].
D005260:Female; D005313:Fetal Death / Q000453:epidemiology*; D006801:Humans; D011044:Poland; D011247:Pregnancy; D012424:Rural Population; D012621:Seasons; D012737:Sex Factors; D012959:Socioeconomic Factors; D014505:Urban Population
Niektóre aspekty epidemiologiczne martwych urodzeń w Polsce.