A study of infant mortality from linked records by birth weight, period of gestation, and other variables.
D000367:Age Factors; D001724:Birth Weight; D005260:Female; D005865:Gestational Age; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D008297:Male; D008423:Maternal Age; D011247:Pregnancy; D044469:Racial Groups; D012737:Sex Factors; D014481:United States