title: Apples, oranges, and placebos: heterogeneity in a meta-analysis of placebo effects.
authors.affiliation: University of Connecticut, USA.
authors.forename: I
authors.initials: I
authors.lastname: Kirsch
authors.forename: A
authors.initials: A
authors.lastname: Scoboria
mesh_terms: D019317:Evidence-Based Medicine; D006801:Humans; D015201:Meta-Analysis as Topic; D015990:Placebo Effect; D010919:Placebos; D012107:Research Design
chemical_list: D010919:Placebos