Sutoko, B., R. Hellmi, I. W, and S. L. ‚ÄúRandomized Controlled Trial of Herbal Extracts (Eugenia Polyantha, Apium Graveolens, Nigella Sativa) and Allopurinol Effect on Serum Uric Acid, Urinary Uric Acid and High Sensitivity C-Reactive Protein Levels in Subject With Hyperuricemia‚ÄĚ. Indonesian Journal of Rheumatology, Vol. 11, no. 2, Dec. 2019, doi:10.37275/ijr.v11i2.112.