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Psychometric development of the Gastrointestinal Symptom Rating Questionnaire (GSRQ) demonstrated good validity
Hutchings, Hayley A., Cheung, Wai-Yee, Russell, Ian T., Durai, Dharmaraj, Alrubaiy, Laith, Williams, John G.Language:
english
Journal:
Journal of Clinical Epidemiology
DOI:
10.1016/j.jclinepi.2015.03.019
Date:
April, 2015
File:
PDF, 239 KB
english, 2015