Background: The aim of this study was to develop and psychometrically test a short, patient-reported questionnaire to be used in clinical practice for patients with Irritable Bowel Syndrome (IBS).

House dust mites (HDMs) are the most common cause of atopic sensitivities and allergic diseases worldwide. Therefore, we decided to conduct a meta-analysis of randomized clinical trials to evaluate ...

The time window was set to during the previous week, since that is the same time window as for the Gastrointestinal Symptom Rating Scale (GSRS) and the Psychological General Well-Being Index (PGWB ...