[Respiratory infections. Former premature infants cannot be in the crib too early.].
D003631:Day Care, Medical / Q000706:statistics & numerical data*; D005260:Female; D006699:Home Care Services / Q000706:statistics & numerical data*; D006801:Humans; D015994:Incidence; D007231:Infant, Newborn; D007234:Infant, Premature; D008297:Male; D012141:Respiratory Tract Infections / Q000453:epidemiology* / Q000517:prevention & control*; D012307:Risk Factors; D014481:United States / Q000453:epidemiology