[Validation of the "Digest Questionnaire" for consistency and reproducibility with reference to upper abdominal symptoms]. [electronic resource]
Producer: 19980901Description: 880-6 p. digitalISSN:- 0036-7672
- Activities of Daily Living -- classification
- Adult
- Aged
- Cross-Sectional Studies
- Diagnosis, Differential
- Female
- Gastrointestinal Diseases -- diagnosis
- Humans
- Incidence
- Male
- Middle Aged
- Observer Variation
- Quality of Life
- Reproducibility of Results
- Somatoform Disorders -- diagnosis
- Surveys and Questionnaires
- Switzerland -- epidemiology
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Publication Type: English Abstract; Journal Article; Research Support, Non-U.S. Gov't
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