title: Acute lower respiratory tract illnesses in Cali, Colombia: a two-year ambulatory study.
mesh_terms: D000208:Acute Disease; D000293:Adolescent; D001424:Bacterial Infections / Q000175:diagnosis; D002648:Child; D002675:Child, Preschool; D003105:Colombia; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D012141:Respiratory Tract Infections / Q000175:diagnosis / Q000453:epidemiology* / Q000209:etiology; D014777:Virus Diseases / Q000175:diagnosis / Q000453:epidemiology