TY - GEN AU - Classen,M TI - [Chronic diarrhea in children. Possibilities of differential diagnosis using the hydrogen exhalation test] SN - 0723-2276 PY - 1991///0614 KW - Breath Tests KW - Chronic Disease KW - Diagnosis, Differential KW - Diarrhea KW - diagnosis KW - Gastrointestinal Transit KW - Humans KW - Hydrogen KW - metabolism N1 - Publication Type: Journal Article ER -