Ahmad, Mohammad, et al. “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, vol. 13, no. 4, Apr. 2026, https://doi.org/10.12890/2026_006332.