[Perinatal mortality of infants born to elderly primaparae].
D000328:Adult; D005260:Female; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007234:Infant, Premature; D008423:Maternal Age; D011044:Poland; D011247:Pregnancy
Smiertelność okołoporodowa płodów starych pierwiastek.