Hohmann, Erik Tunnel positioning in anterior cruciate ligament reconstruction: how long is the learning curve? [electronic resource] - Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA Nov 2010 - 1576-82 p. digital Publication Type: Comparative Study; Evaluation Study; Journal Article ISSN: 1433-7347 Standard No.: 10.1007/s00167-010-1183-4 doi Subjects--Topical Terms: Analysis of VarianceAnterior Cruciate Ligament--diagnostic imagingArthroscopy--educationClinical CompetenceComputer-Aided DesignFemur--diagnostic imagingHumansImage Processing, Computer-AssistedLearning CurvePatellar Ligament--transplantationRadiographyPlastic Surgery Procedures--educationStatistics, NonparametricTibia--diagnostic imagingTime FactorsUltrasonography