Rivaroxaban Then Aspirin vs. Aspirin Alone after Total Hip or Knee Arthroplasty - Sudeep Shivakumar; Davide Matino; David Zukor; Susan R. Kahn; George Vincent; Raman Mundi; Pascal-Andre Vendittoli; Mohammad Refaei; Eric Bohm; Michael Tanzer; Stéphane Pelet; Glen Richardson; et al. (New England Journal of Medicine, 2026)