Prevalence of JC polyomavirus among rheumatoid arthritis and systemic lupus erythematosus patients and its correlation with vitamin D levels. - Mokhtari, Golnaz Irani; Azaran, Azarakhsh; Rajahi, Elham; Hesam, Saeed; Ghahfarokhi, Azam Dehghani; Makvandi, Manoochehr (Iranian Journal of Microbiology, 2024)