title: Valve-sparing excision of aortic valve papillary fibroelastoma.
authors: Division of Cardiac Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, Mass 02114-2696, USA.
authors: Parsia A
authors: PA
authors: Vagefi
authors: Nathan R
authors: NR
authors: Bates
authors: Leon M
authors: LM
authors: Ptaszek
authors: Mark S
authors: MS
authors: Adams
authors: Jennifer D
authors: JD
authors: Walker