by 노유헌(Yoo-Hun Noh), 이지원(Ji Won Lee), 박지애(Jiae Park), 이상형(Sang Hyung Lee), 이준영(Jun Young Lee), 김성수(Sung-Su Kim), 박광균(Kwang-Kyun Park), 김태진(Tae Jin Kim), 명순철(Soon-Chul Myung), 정윤화(Yoonhwa Jeong)
Published in Han'guk Sikp'um Yŏngyang Kwahakhoe chi (2016)

by 이상형(Sang Hyung Lee), 이상헌(Sang Hun Lee)
Published in 한국CDE학회 논문집 (01.03.2020)

by 정형석(Hyeong Seok Jeong), 이상형(Sang Hyung Lee), 신항식(Hang Sik Shin), 송의열(Eui Yeol Song)
Published in Daehan hwan'gyeong gonghag hoeji (2006)

by 이상형(Sang Hyung Lee), 박노백(Noh Back Park), 박상민(Sang Min Park), 전항배(Hang Bae Jun)
Published in Daehan hwan'gyeong gonghag hoeji (2005)

by 최홍조(Hong Jo Choi), 이상형(Sang Hyung Lee), 김영훈(Young Hon Kim), 조세헌(Se Heon Cho), 정갑증(Ghap Joong Jung), 김상순(Sang Soon Kim)
Published in Annals of surgical treatment and research (1995)

by 이준영(Jun Young Lee), 이상형(Sang Hyung Lee), 성정준(Jung Jun Sung), 김의태(Eui-Tae Kim), 조혜진(Hye Jin Cho), 김경환(Kyung Hwan Kim), 강용구(Yong Koo Kang), 김성수(Sung Su Kim), 권오상(Oh Sang Kwon), 이원복(Won Bok Lee)
Published in Taehan Haebu Hakhoe chi (30.04.2005)