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Gastrointestinal symptoms predictors of health-related quality of life in pediatric patients with functional gastrointestinal disordersJames W. Varni, John F. Pohl, Samuel Nurko et al.|Quality of Life Research|2016Cited by 38
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Pediatric Functional Constipation Gastrointestinal Symptom Profile Compared With Healthy ControlsJames W. Varni, John F. Pohl, Samuel Nurko et al.|Journal of Pediatric Gastroenterology and Nutrition|2015Cited by 24