title: Advance directives, apples and oranges.
authors: L J
authors: LJ
authors: Schneiderman
authors: H
authors: H
authors: Teetzel
authors: R
authors: R
authors: Kronick
authors: J P
authors: JP
authors: Anderson
authors: R D
authors: RD
authors: Langer
authors: E
authors: E
authors: Rosenberg
authors: R M
authors: RM
authors: Kaplan
mesh_terms: D016223:Advance Directives; D002986:Clinical Trials as Topic; D035061:Control Groups; D006801:Humans; D012107:Research Design; D028761:Withholding Treatment