Effectiveness of a Blended Multidisciplinary Intervention for Patients with Moderate Medically Unexplained Physical Symptoms (PARASOL): Protocol for a Cluster Randomized Clinical Trial.
Paula Elisabeth van WestrienenMartijn F PistersSuze Adriana Johanna ToondersMarloes GerritsCindy VeenhofNiek J De WitPublished in: JMIR research protocols (2018)
Netherlands Trial Register NTR6755; http://www.trialregister.nl/trialreg/admin/rctview.asp?TC=6755 (Archived by WebCite at http://www.webcitation.org/6ywporY7u).