title: [Pulmonary regurgitation, pulmonary valve absence].
authors.affiliation: First Department of Surgery, Osaka University Medical School.
authors.forename: H
authors.initials: H
authors.lastname: Matsuda
authors.forename: K
authors.initials: K
authors.lastname: Nishigaki
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D011664:Pulmonary Valve / Q000002:abnormalities*; D011665:Pulmonary Valve Insufficiency / Q000145:classification / Q000175:diagnosis / Q000503:physiopathology