Reliability and validity of the Gastrointestinal Symptom Rating Scale (GSRS) and Quality of Life in Reflux and Dyspepsia (QOLRAD) questionnaire in dyspepsia: A six-country study

Károly Kulich1, Ahmed Madisch2, F. Pacini3, J.M. Piqué4, Jarosław Reguła5, C. J. Van Rensburg6, L Újszászy7, Jonas Carlsson1, Katarina Halling1, Ingela Wiklund1
1AstraZeneca R&D, Medical Science, Mölndal, S-431 86, Sweden
2Medical Department I, Technical University Hospital, Dresden, 01307, Germany
3Azienda Ospedaliera Careggi, U. O. di Gastroenterologia ed Endoscopia digestiva, Villa Medicea, Viale Pieraccini, 17, 50139, Firenze, Italy
4Servicio de Gastroenterología, Hospital Clinic de Barcelona, Villarroel 170, 08036, Spain
5Klinika Gastroenterologii CMKP, Centrum Onkologii, Roentgen Street 5, 02-781, Warszawa, Poland
6Gastroenterology Unit, Tygerberg Hospital, Cape Town, 7505, South Africa
7Semmelweis Hospital, Internal Medicine, Csabai Kapu 9-11, 3501, Miskolc, Hungary

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