Operative Orthopädie und Traumatologie… The Ludloff osteotomy for correction of hallux valgus (2005 Feb;17(1):102-17)… Petroutsas J.,Trnka HJ
Journal of Bone and Joint Surgery Br. (2005 Nov;87(11):1507-11.)…. The Weil osteotomy: A seven year follow up Hofstaetter SG, Hofstaetter JG, Petroutsas J, Gruber F, Ritschl P, Trnka HJ
Foot and Ankle International (2006 Apr;27(4):299-302) … Modified bone block distraction arthrodesis of the hallux metatarsophalangeal joint… Petroutsas J, Easley M, Trnka HJ
Foot and Ankle International (2007 Jul;28(7):794-8) Transverse medial slide osteotomy for Bunionette deformity: long term results Weitzel S, Trnka HJ, Petroutsas J