Hnoosh, Adnan H., et al. “Heparin Versus Enoxaparine for Prevention of Asymptomatic Deep Venous Thrombosis After Total Knee Arthroplasty”. Journal of the Faculty of Medicine Baghdad, vol. 54, no. 4, Jan. 2013, pp. 273-6, https://doi.org/10.32007/jfacmedbagdad.544686.