Association between mixed venous oxygen saturation and serum uric acid levels in patients with heart failure - Yuto Mashitani; Kazuo Ogawa; Ryuji Funaki; Yoshiro Tanaka; Takuya Oh; Toshikazu D. Tanaka; Tomohisa Nagoshi; Kosuke Minai; Makoto Kawai; Michihiro Yoshimura (PLoS ONE, 2025)