Vasilev, Vladimir, Nikola Bošković, zlatko mehmedbegovic, Aleksandar Radivčev, and Arsen Ristić. 2021. “CARDIOVASCULAR DIAGNOSIS IN PATIENTS WITH RHEUMATOID ARTHRITIS, PRIMARY SJOGREN‘S SYNDROME, SYSTEMIC SCLEROSIS AND SYSTEMIC LUPUS ERHYTEMATOSUS”. Medicinski Podmladak 72 (4): 1-7. https://doi.org/10.5937/mp72-34157.