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Kalfa D, Ghez O, Kreitmann B, Metras D. Secondary subaortic stenosis in heart defects without any initial subaortic obstruction: a multifactorial postoperative event☆. European Journal of Cardio-Thoracic Surgery. 2007 Oct;32(4):582–7. doi: 10.1016/j.ejcts.2007.06.037. |