title: External validity reporting in prevention research.
authors.forename: Kevin
authors.initials: K
authors.lastname: Patrick
authors.forename: F Douglas
authors.initials: FD
authors.lastname: Scutchfield
authors.forename: Steven H
authors.initials: SH
authors.lastname: Woolf
mesh_terms: D019317:Evidence-Based Medicine; D006801:Humans; D011322:Primary Prevention; D011642:Publications; D015203:Reproducibility of Results; D012107:Research Design