S. . Behzadi Sheikhrobat, G. A. Kaydani, M. . . Makvandi, E. Rajaee, and K. Ahmadi Angali, “The Frequency of Human Polyomavirus BK in Patients with Systemic Lupus Erythematosus: A Cross-Sectional Case-Control Study ”, Arch Med Lab Sci, vol. 7, no. 1, pp. 1–6 (e5), Jun. 2021.