TY - GEN AU - Shimizu,Takuya AU - Nakajima,Masato AU - Koshiyama,Hiroshi AU - Amenomori,Shunsuke AU - Tsuchiya,Koji TI - [Aortic regurgitation due to quadricuspid aortic valve; report of a case] SN - 0021-5252 PY - 2010///1109 KW - Aged KW - Aortic Valve KW - abnormalities KW - Aortic Valve Insufficiency KW - etiology KW - Heart Failure KW - Humans KW - Male N1 - Publication Type: Case Reports; English Abstract; Journal Article ER -