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MedicineClinical SciencesInternal MedicineGastroenterologySymptom ScienceFunctional Gastrointestinal DisordersGastrointestinal DiseaseIrritable Bowel SyndromeBowel Symptom AssessmentFunctional Gastrointestinal SymptomsGastrointestinal Symptom BurdenIbs SubtypesIbs-constipation PredominantIbs-diarrhea PredominantPatient-reported Bowel Symptoms
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The Hospital Anxiety and Depression Scale
A. S. Zigmond, R. P. Snaith · Acta Psychiatrica Scandinavica · 1983 · 46.6K citations
Bowel Patterns Among Subjects Not Seeking g Health Care
Douglas A. Drossman, Robert S. Sandler, Daphne C. McKee et al. · Gastroenterology · 1982 · 719 citations · Full text