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. 2020 Aug 5;30(3):030501. doi: 10.11613/BM.2020.030501
     Synovial fluid proteins should be routinely measured in SF samples with standard (serum) procedures. The reference range of total proteins in SF samples is 11–22 g/L. Higher total protein concentrations are a nonspecific indicator of the presence of inflammatory joint disorders and are of little value in the differentiation of joint disorders or in guiding treatment (11, 25-27).