Ahmad, Mohammad, Mahmoud Alhamadeh Alswij, Mais Musleh, Hala Hamdan, and Qossay Alhusein. “Acquired Thrombotic Thrombocytopenic Purpura With a Poor Response to Treatment Can Be an Initial Manifestation of Occult Signet Ring Cell Carcinoma and Other Malignancies”. European Journal of Case Reports in Internal Medicine 13, no. 4 (April 7, 2026). Accessed November 3, 2026. https://ejcrim.com/index.php/ejcrim/article/view/6332.