Two-Directional Aortic Annular Enlargement for Aortic Valve Replacement in the Small Aortic AnnulusMasaki Otaki, T. Matsumoto, Hidetaka Oku et al.|The Annals of Thoracic Surgery|1997Cited by 16
Semilunar Valve Replacement with a Cylindrical ValveHidetaka Oku, Hitoshi Shirotani, Toshihiko Saga et al.|Journal of Cardiac Surgery|1993Cited by 12
Single Lead Atrial Synchronous Ventricular Pacing in Japanese Patients with Complete Atrioventricular BlockMasaki Otaki, Hidetaka Oku, Takehiro Inoue et al.|Artificial Organs|1997Cited by 1
Pulmonary Artery Reconstruction with Extracardiac Conduit and in Situ Valve InsertionHidetaka Oku, H. Ohnishi, Hitoshi Shirotani et al.|Medical Entomology and Zoology|1984Cited by 0