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Hwang, Hyojung, Jae-Eun Myung, Jeong Woo Yi, Sang-Soo Lee, ja Joonbeom Park. "Laparoscopic Surgery Versus Open Surgery for Gastric Cancer: Big Data Analysis Based On Nationwide Administrative Claims Data." Ann Surg Treat Res 2020.

Hwang, Hyojung, et al. "Laparoscopic Surgery Versus Open Surgery for Gastric Cancer: Big Data Analysis Based On Nationwide Administrative Claims Data." Ann Surg Treat Res 2020.