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Different external annuloplasty techniques by Taylor 1958 (a), Cabrol 1966 (b), Carpentier 1983 (c), Duran 1993 (d), Haydar 1997 (e), Lansac 2003 (Coroneo, Inc. Extra-Aortic Ring) (f), Schafers 2009 (suture annuloplasty) (g), Fattouch 2011 (h), Rankin 2011 (HAAR Ring) (i). Reprinted by permission from Springer Nature, Gen Thorac Cardiovasc Surg. Annular management during aortic valve repair: a systematic review. Kunihara T. 2016 [38]
