by Cha, Yoon Ki, Kim, Jeung Sook, Kim, Yookyung, Kim, Yoon Kyung
Published in Korean journal of radiology (01.09.2016)

by Cha, Yoon Ki, Kim, Jeung Sook, Park, Seong Yeon, Oh, Jin Young, Kwon, Jae Hyun
Published in Korean journal of radiology (01.11.2016)

by Jang, Seo Jin, Cha, Yoon Ki, Kim, Jeung Sook, Kim, Do Yeun, Kim, Dae Bong
Published in Journal of the Korean Society of Radiology (01.07.2019)

by 최영재, 김정숙, 차윤기, 한강민, Young Jae Choi, Jeung Sook Kim, Yoon Ki Cha, Kang Min Han
Published in Journal of the Korean Society of Radiology (2022)

by Cha, Yoon Ki, Kim, Jeung Sook, Choi, Jin-Ho, Han, Kang Min
Published in Journal of the Korean Society of Radiology (01.10.2017)

by 여성희, 윤현정, 김인중, 김여진, 이영, 차윤기, 박소현, Seong Hee Yeo, Hyun Jung Yoon, Injoong Kim, Yeo Jin Kim, Young Lee, Yoon Ki Cha, So Hyeon Bak
Published in Journal of the Korean Society of Radiology (2024)

by 송재은, 박소현, 임명남, 이은주, 차윤기, 윤현정, 김우진, Jae Eun Song, So Hyeon Bak, Myoung-Nam Lim, Eun Ju Lee, Yoon Ki Cha, Hyun Jung Yoon, Woo Jin Kim
Published in Journal of the Korean Society of Radiology (2023)

by Park, Surin, Cha, Yoon Ki, Kim, Jeung Sook, Kwon, Jae Hyun, Jeong, Yun-Jeong, Kim, Seon Jeong
Published in Journal of the Korean Society of Radiology (01.05.2017)

by 원희수, 차윤기, 김정숙, 장서진, 박소현, 윤현정, Hee Soo Won, Yoon Ki Cha, Jeung Sook Kim, Seo Jin Jang, So Hyeon Bak, Hyun Jung Yoon
Published in Taehan Yŏngsang Ŭihakhoe chi (2022)

by Ryu, Kyeong Hwa, Kim, Seon-Jeong, Kim, Ok Hwa, Kim, Seung Ho, Lee, Kwang Hwi, Baek, Hye Jin, Lee, Yedaun, Cha, Yoon Ki
Published in Journal of the Korean Society of Radiology (01.09.2015)

by 차윤기, 김지영, 정명자, 김재형, 김성희, 김수현, 전우선, 박경미, 양근호
Published in Ultrasonography (Seoul, Korea) (01.03.2010)