Effect of Risk-Graded Care Based on Caprini Risk Assessment Model on Postoperative Venous Thrombosis and Health-Related Quality of Life in Elderly Patients with Malignancy. J. Can. Res. Updates [Internet]. 2022 Oct. 25 [cited 2025 Oct. 31];11:54-62. Available from: https://mail.neoplasiaresearch.com/index.php/jcru/article/view/690