Clinical Outcomes after Upfront Surgery in Clinical Stage I–IIA Small Cell Lung Cancer by Hyeok Sang Woo, Jae Won Song, Samina Park, In Kyu Park, Chang Hyun Kang, Young Tae Kim

Changes in the Prosthesis Types Used for Aortic Valve Replacement after the Introduction of Sutureless and Rapid Deployment Valves in Korea: A Nationwide Population-Based Cohort St... by Hyeok Sang Woo, Ho Young Hwang, Ho Jin Kim, Joon Bum Kim, Sak Lee, Cheong Lim, Byung-Cheul Chang, Na Rae Lee, Youshin Suh, Jae Woong Choi