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 2019, 71, 75-80.