title: Generalizability in Pragmatic Trials-Reply.
authors.affiliation: The Patient-Centered Outcomes Research Institute, Washington, DC.
authors.forename: Harold C
authors.initials: HC
authors.lastname: Sox
authors.affiliation: Harbor-University of California-Los Angeles Medical Center, Torrance, California.
authors.forename: Roger J
authors.initials: RJ
authors.lastname: Lewis
mesh_terms: D006801:Humans; D012107:Research Design; D016896:Treatment Outcome