The Visual Analogue Scale for Irritable Bowel Syndrome (VAS-IBS) questionnaire was designed to measure the treatment response of symptoms and well-being in patients suffering from IBS. Methods ...
Each expert panel member graded the content relevance, agreement of the definition of the item, and the relevance of the scale for each of the nine items in the VAS-IBS, [38] on a four point scale ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback