THE PERINATAL MORTALITY SURVEY.
D003625:Data Collection; D005260:Female; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D007231:Infant, Newborn; D066087:Perinatal Death; D054238:Perinatal Mortality; D011247:Pregnancy; D014481:United States
INFANT MORTALITY; INFANT, NEWBORN; UNITED STATES