Manganelli, S., E. Selvi, M. Catenaccio, S. Cucini, R. De Stefano, E. Frati, M. Hammoud, and R. Marcolongo. “Diff-Quik® Staining Method for Detection and Identification of Monosodium Urate and Calcium Pyrophosphate Crystals in Synovial Fluids”. Reumatismo 53, no. 4 (1): 305-308. Accessed September 21, 2019. https://www.reumatismo.org/index.php/reuma/article/view/reumatismo.2001.305.