title: Pitfalls in clinical recognition and a novel operative approach for hypertrophic cardiomyopathy with severe outflow obstruction due to anomalous papillary muscle.
authors.forename: U
authors.initials: U
authors.lastname: Sigwart
authors.forename: B J
authors.initials: BJ
authors.lastname: Maron
authors.forename: R A
authors.initials: RA
authors.lastname: Nishimura
authors.forename: G K
authors.initials: GK
authors.lastname: Danielson
mesh_terms: D006348:Cardiac Surgical Procedures; D002312:Cardiomyopathy, Hypertrophic / Q000628:therapy*; D006801:Humans; D010210:Papillary Muscles / Q000002:abnormalities*