Gregersen, Merete, Lars C Borris, and Else Marie Damsgaard. “Postoperative Blood Transfusion Strategy in Frail, Anemic Elderly Patients With Hip Fracture”. Acta Orthopaedica 86, no. 3 (May 4, 2015): 363–372. Accessed August 25, 2024. https://actaorthop.org/actao/article/view/9959.