[Analysis of perinatal mortality rate of fetuses and newborn infants at a County Hospital in the years of 1967-1971].
D005260:Female; D005313:Fetal Death / Q000453:epidemiology*; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D011044:Poland; D011247:Pregnancy; D011248:Pregnancy Complications
Analiza umieralnosci okołoporodowez płodow i nowordokow w materiale Szpitala Rejonowego w latach 1967-1971