title: Access to information--physicians' credentials and where you can't find them.
authors.affiliation: Massachusetts General Hospital, Boston, MA 02114.
authors.forename: J M
authors.initials: JM
authors.lastname: Reade
authors.forename: R M
authors.initials: RM
authors.lastname: Ratzan
mesh_terms: D002568:Certification; D003406:Credentialing; D004181:Directories as Topic; D007255:Information Services / Q000592:standards*; D010820:Physicians; D014481:United States