Comprehensive arginine metabolomics and peripheral vasodilatory capacity in rheumatoid arthritis: A monocentric cross-sectional study. - Erre, Gian Luca; Mangoni, Arduino Aleksander; Passiu, Giuseppe; Bassu, Stefania; Castagna, Floriana; Carru, Ciriaco; Piga, Matteo; Zinellu, Angelo; Sotgia, Salvatore (Microvascular Research, 2020)