TY - GEN AU - Koletzko,S TI - [Constipation in childhood--from the pediatric viewpoint] SN - 0023-1495 PY - 1994///0201 KW - Biofeedback, Psychology KW - physiology KW - Child KW - Child, Preschool KW - Chronic Disease KW - Constipation KW - etiology KW - Diagnosis, Differential KW - Encopresis KW - Gastrointestinal Motility KW - Humans KW - Infant N1 - Publication Type: English Abstract; Journal Article; Review ER -