Refine your search
Availability
-
Authors
-
Topics
- Abdominal Pain
- Adolescent
- Aerophagy
- Child
- Child, Preschool
- Diagnostic Techniques, Digestive System
- Humans
- Irritable Bowel Syndrome
- Migraine Disorders
- Norway
- Prevalence
- Prospective Studies
- Reference Values
- Reproducibility of Results
- Surveys and Questionnaires
- complications
- diagnosis
- etiology
- Show more
- Show less
-
Languages