Association of Serum Bilirubin Levels With Histopathological Severity of Diabetic Nephropathy in Patients With Type 2 Diabetes: A Cross‐Sectional Biopsy Study. - Wang, Xiaorong; Zhang, Congqin; Zhang, Chunxia; Hao, Yongmei; Xing, Lingling; Guo, Chang; Mu, Lin; Wesley, Hannah (Journal of Diabetes Research, 2026)