For citations:

Safarova К.N., Fedotov E.A., Rebrov A.P. Serum concentrations of interleukin-6 and tumor necrosis factor alpha in patients with spondyloarthritis: a relationship between systemic inflammation and anemia. Bulletin of Siberian Medicine. 2022;21(2):115-121. https://doi.org/10.20538/1682-0363-2022-2-115-121