Zaichko, K. O., et al. “DAILY VARIABILITY IN SOLUBLE TOLL-LIKE RECEPTORS 2 IN THE SERUM OF WOMEN WITH RHEUMATOID ARTHRITIS: ITS ASSOCIATION WITH THE DISEASE”. Medical and Clinical Chemistry, no. 4, Jan. 2020, pp. 5-12, doi:10.11603/mcch.2410-681X.2019.v.i4.10820.