Krstevski, M., et al. “Overlapping Features of Thrombotic Thrombocytopenic Purpura and Systemic Lupus Erythematosus, a Diagnostic and a Management Challenge”. Rheumatology (Bulgaria), vol. 31, no. 2, Aug. 2023, pp. 77-80, https://doi.org/10.35465/31.2.2023.pp77-80.