Kishimoto H, Kawahira Y, Kawata H, Miura T, Iwai S, Mori T
Department of Cardiovascular Surgery, Osaka Medical Center and Research Institute for Maternal and Child Health, Osaka, Japan.
J Thorac Cardiovasc Surg. 1999 Dec;118(6):1130-2. doi: 10.1016/S0022-5223(99)70118-2.