Cost-effectiveness of interventions for medically unexplained symptoms: A systematic review.
Margreet S H WortmanJoran LokkerbolJohannes C van der WoudenBart VisserHenriëtte E van der HorstTim C Olde HartmanPublished in: PloS one (2018)
Study methods were documented in an international prospective register of systematic reviews (PROSPERO) protocol, registration number: CRD42017060424.