STUDIES IN FETAL AND INFANT MORTALITY. II. DIFFERENTIALS IN MORTALITY BY SEX AND RACE.
D004777:Environment; D005007:Ethnology; D005313:Fetal Death; D005333:Fetus; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D007231:Infant, Newborn; D012723:Sex; D014481:United States
ENVIRONMENT; ETHNOLOGY; FETAL DEATH; INFANT; INFANT MORTALITY; INFANT, NEWBORN; SEX; UNITED STATES