Soleimanpoor, J., Kazemi sufi, S., & Moradi, A. "A Comparative study of perioperative bleeding of total knee arthroplasty and the need for blood transfusion with and without use of tourniquet", Iranian Journal of Orthopedic Surgery, 18, 1, 2020, 16–22. doi: 10.22034/ijos.2020.121408