[Acute infections of the lower respiratory tract in children. II. Clinical study].
D000208:Acute Disease; D000293:Adolescent; D001991:Bronchitis; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007827:Laryngitis; D008297:Male; D011014:Pneumonia; D011247:Pregnancy; D012141:Respiratory Tract Infections; D014136:Tracheitis
Infecciones agudas del tracto respiratorio inferior en niños. II. Estudio clínico.