title: Advocating for cost-effective placebos.
authors.forename: Francisco M
authors.initials: FM
authors.lastname: Kovacs
authors.forename: Víctor
authors.initials: V
authors.lastname: Abraira
authors.forename: Gerard
authors.initials: G
authors.lastname: Urrútia
mesh_terms: D015670:Acupuncture Therapy; D059350:Chronic Pain / Q000628:therapy*; D057186:Comparative Effectiveness Research; D006801:Humans; D017116:Low Back Pain / Q000628:therapy*