| 1999 | Retroperitoneal paragonimiasis: a case of ectopic paragonimiasis presenting as periureteral masses | 김기황, 유정식, 최영득 | Article |
| 2012 | Retroperitoneal spinal extradural arachnoid cyst combined with congenital hemivertebrae
| 구성욱, 임범진 | Article |
| 2011 | Retroperitoneoscopic Partial Nephrectomy in a Horseshoe Kidney
| 유호송, 이용승, 함원식 | Article |
| 2001 | Retroperitoneoscopy-assisted living donor nephrectomy: 109 cases | 나군호, 양승철 | Article |
| 2006 | Retropharyngeal lymph node metastasis from olfactory neuroblastoma: a report of two cases | 김진아, 김현직, 윤주헌 | Article |
| 2012 | Retrospective analysis of 12 Korean patients with paraneoplastic pemphigus | 김수찬, 오상호, 이상은 | Article |
| 2018 | Retrospective analysis of palliative chemotherapy for the patients with bladder adenocarcinoma: Korean Cancer Study Group Genitourinary and Gynecology Cancer Committee.
| 김효송, 라선영 | Article |
| 2018 | Retrospective analysis of sinus membrane thickening: profile, causal factors, and its influence on complications
| 남지연 | Thesis |
| 2017 | Retrospective Analysis of Sinus Membrane Thickening: Profile, Causal Factors, and Its Influence on Complications | 이중석, 정의원, 차재국, 최성호 | Article |
| 2019 | Retrospective analysis of stereotactic body radiation therapy efficacy over radiofrequency ablation for hepatocellular carcinoma | 김나리, 김도영, 김현주, 성진실, 원종윤, 정인경, 한광협 | Article |
| 2013 | Retrospective analysis of treatment outcome of pediatric ependymomas in Korea: analysis of Korean multi-institutional data | 김동석, 서창옥 | Article |
| 2016 | Retrospective Analysis on the Effects of House Dust Mite Specific Immunotherapy for More Than 3 Years in Atopic Dermatitis
| 박창욱, 신정우, 이광훈, 이정수, 이혜민 | Article |
| 2015 | Retrospective assessment of the validity of robotic surgery in comparison to open surgery for pediatric choledochal cyst
| 김나영, 김하얀, 박시민, 배선준, 장은영, 한석주, 홍영주 | Article |
| 2018 | Retrospective Comparative Outcomes Analysis of Arthroscopic Versus Open Bone Graft and Fixation for Unstable Scaphoid Nonunions. | 강호정, 고일현, 오원택, 이용준, 천용민, 최윤락 | Article |
| 2008 | Retrospective multicenter study of a clinicopathologic analysis of pseudomyxoma peritonei associated with ovarian tumors (KGOG 3005) | 김영태 | Article |
| 2016 | Retrospective Multicenter Study of Respiratory Syncytial Virus Prophylaxis in Korean Children with Congenital Heart Diseases
| 김아영, 정세용, 정조원, 최재영 | Article |
| 2018 | Retrospective radiographic observational study of 1692 Straumann tissue-level dental implants over 10 years: I. Implant survival and loss pattern. | 김승민, 이중석, 정의원, 조규성 | Article |
| 2018 | Retrospective radiographic observational study of 1692 Straumann tissue-level dental implants over 10 years: II. Marginal bone stability | 이중석, 정의원, 조규성 | Article |
| 2016 | Retrospective study of maxillary sinus dimensions and pneumatization in adult patients with an anterior open bite | 이기준, 차정열, 최성환, 황충주 | Article |
| 2019 | Retrospectively validating the results of the ACOSOG Z0011 trial in a large Asian Z0011-eligible cohort | 박세호, 조영업 | Article |
