Association between magnesium sulfate administration and mortality in critically ill patients with sepsis-associated acute kidney injury: a retrospective propensity score-matched cohort study - Xiang-Jie Duan; Jing-Ru Lan; Ming-Gao Zhu; Jin-Lian Chen; Chang-Yun Zhang; Hai-Yan Yin; Wan-Jie Gu (European Journal of Clinical Pharmacology, 2026)