title: Turf wars: what certification brings to the public and the physician.
authors.affiliation: Division of Cardiovascular Medicine, Massachusetts General Hospital, 32 Fruit Street, Boston, MA 02114, USA. mjaff@partners.org
authors.forename: Michael R
authors.initials: MR
authors.lastname: Jaff
mesh_terms: D002568:Certification / Q000592:standards*; D006801:Humans; D008511:Medicine / Q000592:standards*; D012955:Societies, Medical / Q000592:standards*; D013038:Specialization; D013044:Specialty Boards / Q000592:standards