title: A technique for complex pectus excavatum repair: the cross-bar technique for grand canyon type deformity (Park classification).
authors.affiliation: Department of Thoracic and Cardiovascular Surgery, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, 222 Banpo-Daero, Seocho-Gu, Seoul, Korea.
authors.forename: Hyung Joo
authors.initials: HJ
authors.lastname: Park