Personalized bleeding management in total knee arthroplasty using reference change value: comparative analysis of tourniquet versus non-tourniquet techniques. - Ugur, Fatih; Bildirici, Mehmet Akif; Taskin, Recep; Akar, Bedrettin; Albayrak, Mehmet; Karadeniz, Engin (Archives of Orthopaedic & Trauma Surgery, 2025)