Effect of Aspirin vs Enoxaparin on Symptomatic Venous Thromboembolism in Patients Undergoing Hip or Knee ArthroplastyCRISTAL Study Group, Sidhu VS, Kelly TL, et al. Effect of Aspirin vs Enoxaparin on Symptomatic Venous Thromboembolism in Patients Undergoing Hip or Knee Arthroplasty: The CRISTAL Randomized Trial. JAMA. 2022;328(8):719-727. doi:10.1001/jama.2022.13416