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Stucinskas, Justinas; Robertsson, Otto; Lebedev, Aleksej; Wingstrand, Hans; Smailys, Alfredas; Tarasevicius, Sarunas . (2016). Measuring long radiographs affects the positioning of femoral components in total knee arthroplasty: a randomized controlled trial. Archives of Orthopaedic and Trauma Surgery, 136(5), 693–700. doi:10.1007/s00402-016-2434-8 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research