title: Modeling in economic evaluation: an unavoidable fact of life.
authors.forename: M T
authors.initials: MT
authors.lastname: Halpern
authors.forename: M
authors.initials: M
authors.lastname: McKenna
authors.forename: J
authors.initials: J
authors.lastname: Hutton
mesh_terms: D002986:Clinical Trials as Topic; D003362:Cost-Benefit Analysis; D006801:Humans; D017059:Models, Econometric; D012107:Research Design / Q000592:standards*