Alghanim KK, Alshammari SO, Albaqshi HT. When serology fails: recognising systemic lupus erythematosus in the absence of autoantibodies. EJCRIM [Internet]. 2025 Jun. 5 [cited 2026 Nov. 3];12(7). Available from: https://ejcrim.com/index.php/ejcrim/article/view/5525