title: Designing clinical trials for the treatment of medically unexplained physical symptoms.
authors.forename: E A
authors.initials: EA
authors.lastname: Walker
mesh_terms: D002908:Chronic Disease; D002986:Clinical Trials as Topic / Q000592:standards*; D005260:Female; D006801:Humans; D008297:Male; D010146:Pain; D013812:Therapeutics