Sutoko, Bantar, Rakhma Hellmi, Ika W, and Stepanus 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 11, no. 2 (December 19, 2019). Accessed September 18, 2020. http://journalrheumatology.or.id/index.php/ijr/article/view/112.