Geographic variations in infant mortality.
D004467:Economics; D005260:Female; D005313:Fetal Death; D005843:Geography; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D011247:Pregnancy; D044469:Racial Groups; D014481:United States; D014505:Urban Population; D044465:White People