Childhood asthma in the Bronx.
D000367:Age Factors; D001249:Asthma / Q000453:epidemiology*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D009519:New York City; D044469:Racial Groups; D012737:Sex Factors