Classen, M [Chronic diarrhea in children. Possibilities of differential diagnosis using the hydrogen exhalation test]. [electronic resource] - Kinderkrankenschwester : Organ der Sektion Kinderkrankenpflege Dec 1990 - 417-9 p. digital Publication Type: Journal Article ISSN: 0723-2276 Subjects--Topical Terms: Breath TestsChronic DiseaseDiagnosis, DifferentialDiarrhea--diagnosisGastrointestinal TransitHumansHydrogen--metabolism