Lower respiratory tract infection in childhood.
D001990:Bronchiolitis, Viral / Q000628:therapy; D001991:Bronchitis / Q000628:therapy; D002648:Child; D003440:Croup / Q000628:therapy; D006801:Humans; D010371:Pediatric Nursing; D011014:Pneumonia / Q000628:therapy; D012141:Respiratory Tract Infections / Q000628:therapy*