Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: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 | BioMed Central Health and Quality of Life Outcomes Research Open Access 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 R Kulich 1 Ahmed Madisch2 Franco Pacini3 Jose M Piqué4 Jaroslaw Regula5 Christo J Van Rensburg6 László Újszászy7 Jonas Carlsson1 Katarina Halling1 and Ingela K Wiklund1 Address 1AstraZeneca R D Medical Science Mõlndal 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 and 7Semmelweis Hospital Internal Medicine Csabai Kapu 9-11 3501 Miskolc Hungary Email Károly R Kulich - Ahmed Madisch - Franco Pacini - pacinif@ Jose M Piqué - jmpique@ Jaroslaw Regula - jregula@ Christo J Van Rensburg - László Újszászy- Jonas Carlsson - Katarina Halling - Ingela K Wiklund - Corresponding author Published 31 January 2008 Received 21 August 2007 Health and Quality of Life Outcomes 2008 6 12 doi l477-7525-6-l2 Accepted 31 January 2008 This article is available from http content 6 l 12 2008 Kulich et al licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided