Sim, Jae-Ang Comparison of tunnel variability between trans-portal and outside-in techniques in ACL reconstruction. [electronic resource] - Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA Apr 2017 - 1227-1233 p. digital Publication Type: Comparative Study; Journal Article ISSN: 1433-7347 Standard No.: 10.1007/s00167-015-3950-8 doi Subjects--Topical Terms: Anterior Cruciate Ligament--surgeryAnterior Cruciate Ligament Reconstruction--methodsFemur--surgeryHumansTibia--surgery