Design and validation of a German version of the GSRS-IBS - an analysis of its psychometric quality and factorial structure - Schäfer, Sarah; Weidner, Kathrin; Hoppner, Jorge (BioMed Central, 2017)
Aus: BMC Gastroenterology, 17 (2017), Nr. 139. pp. 1-8. ISSN 1471-230X