title: Changing pattern of asthmatic symptoms during childhood--different diseases?
authors: Department of Pediatric Pneumology, Medical School, Hannover, Germany.
authors: H
authors: H
authors: von der Hardt
mesh_terms: D001249:Asthma / Q000175:diagnosis* / Q000188:drug therapy / Q000209:etiology; D002648:Child; D003937:Diagnosis, Differential; D006801:Humans; D007223:Infant