Ferrari A, Corrêa Fernandes A, de Almeida Agustinelli R, Seike H, de Ávila Fernandes E. Tophi reduction: ultrasound imaging and correlation with plasma levels of uric acid in patients undergoing treatment for tophaceous gout. Reumatismo [Internet]. 2019 Jul. 9 [cited 2024 Apr. 23];71(2):75-80. Available from: https://www.reumatismo.org/reuma/article/view/1058