TY - RPRT TI - The association between normalized creatinine-to-cystatin C ratio and incident circadian syndrome in middle-aged and older adults: a national cohort study. AU - Zhengyi Xia AU - Minghui Li AU - Ling Li PY - 2026 DO - 10.1080/14737159.2026.2705464 UR - https://pubmed.ncbi.nlm.nih.gov/42458220/ ID - 42458220 ER -