Modified Collar-Reinforcement Technique to Prevent Recurrent Paravalvular Leak
Hiroyuki Nakajima MD, Junjiro Kobayashi MD, Koichi Toda MD, Hatsue Ishibashi-Ueda MD, Toshikatsu Yagihara MD
Departments of Cardiovascular Surgery and Pathology, National Cardiovascular Center, Osaka, Japan
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