Puzanova О., and Lyzikov А. “Polymyalgia Rheumatica in the 2018–2020 Guidelines. Part II: Diagnosis of Vasculitis”. PAIN, JOINTS, SPINE, vol. 11, no. 1, Apr. 2021, pp. 1-16, doi:10.22141/2224-1507.11.1.2021.226904.