Shunfei LU et al. 2019. Serum/Synovial Fluid Urate Ratio as an Indicator for Distinguishing Gouty Arthritis From Other Arthritides. Archives of Rheumatology. 34, 2 (Jun. 2019), 220–224. DOI:https://doi.org/10.5606/ArchRheumatol.2019.6690.