Dahl, O E, D Bergqvist, A T Cohen, S P Frostick, R D Hull, and B M Persson. 2001. “Low-Molecular-Weight Heparin As Prophylaxis Against Thromboembolism After Total Hip Replacement--The Never-Ending Story?”. Acta Orthopaedica 72 (2):199-204. https://doi.org/10.1080/000164701317323507.