Relationship between serum 25-hydroxyvitamin D,creatinine/cystatin C ratio and sarcopenia in elderly patients with type 2 diabetes mellitus
JIANG Yongli, LI Aihua, SHENG Chenglan
Laboratory Medicine . 2026, (7): 664 -669 .  DOI: 10.3969/j.issn.1673-8640.2026.07.008