title: Magnetic resonance imaging evidence of meniscal extrusion in medial meniscus posterior root tear.
authors.affiliation: Department of Orthopaedic Surgery, Yonsei University, Gangnam Severance Hospital, Seoul, South Korea.
authors.forename: Chul-Jun
authors.initials: CJ
authors.lastname: Choi
authors.forename: Yun-Jin
authors.initials: YJ
authors.lastname: Choi
authors.forename: Jae-Jeong
authors.initials: JJ
authors.lastname: Lee
authors.forename: Chong-Hyuk
authors.initials: CH
authors.lastname: Choi