| 2016 | Reduced Mortality by Physician-Staffed HEMS Dispatch for Adult Blunt Trauma Patients in Korea | 정경원, 허요, 이국종, 김영환, 문종환, 김지영 |
| 2004 | Risk factor for extrahepatic bile duct cancer in patients with anomalous pancreaticobiliary ductal union. | 정용식, 이국종, 김홍, 김욱환, 유병무, 김진홍, 김명욱 |
| 2015 | Risk factors for mortality of severe trauma based on 3 years' data at a single Korean institution. | 이재헌, 이국종, 허윤정, 왕희정, 정경원 |
| 2017 | Safety and Efficacy of Type-O Packed Red Blood Cell Transfusion in Traumatic Hemorrhagic Shock Patients: Preliminary Study | 강병희, 정경원, 허윤정, 이국종 |
| 2009 | Systemic Complications occurring after Korean Venomous Snake Bite, with focus on Hematologic and Neurologic Complications | 안정환, 최상천, 김기운, 민영기, 이국종, 정윤석 |
| 2016 | The Applicability of Trauma and Injury Severity Score for a Blunt Trauma Population in Korea and a Proposal of New Models Using Score Predictors | 정경원, 허요, 이국종, 김영환, 문종환, 김지영 |
| 2016 | The Best Prediction Model for Trauma Outcomes of the Current Korean Population: a Comparative Study of Three Injury Severity Scoring Systems | 정경원, 이국종, 박래웅, 윤덕용, 김영환, 문종환, 허요, 권준식 |
| 2010 | The Efficacy of Rectal Thiopental According to the Enema Positions for Pediatric Sedation | 이지숙, 최상천, 김기운, 이국종, 안정환 |
| 2008 | The Epidemiologic Characteristics of Drowning in Korea | 이국종 |
| 2008 | The Necessity for a Trauma Surgeon and the Trauma Surgeon`s Role in the Trauma Care System | 이국종 |
| 2009 | Therapeutic Plan for Traumatic Truncal Arterial Injury Associated with Truncal Organ Injury | 정용식, 김욱환, 안정환, 민영기, 정윤석, 이국종 |
| 2017 | Trauma surgery without proper compensation under the current Korean National Health Insurance System | 정경원, 허윤정, 이국종, 이미진 |
