Salvati, G., L. Punzi, M. Pianon, C. Valvason, F. Schiavon, N. Noal, and S. Todesco. 2003. “Frequency of the Bleeding Risk in Patients Receiving Warfarin Submitted to Arthrocentesis of the Knee”. Reumatismo 55 (3):159-63. https://doi.org/10.4081/reumatismo.2003.159.