Incidence of respiratory infections in full-term and premature infants during their first year.
D002140:California; D005260:Female; D005865:Gestational Age; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007234:Infant, Premature; D007744:Obstetric Labor Complications; D010820:Physicians / Q000706:statistics & numerical data; D011247:Pregnancy; D012141:Respiratory Tract Infections / Q000453:epidemiology*