Prevalence of cognitive impairment and its associated factors in type 2 diabetes mellitus patients with hypertension in Hunan, China: a cross-sectional study - Liu, Hongying; Feng, Ziling; Zhang, Wenyan; Liu, Yamin; Xiong, Ni; Chen, Wenhang; Yang, Jianzhou; Wu, Xin Yin; Shi, Zeya; Dai, Wenjie (Frontiers in Psychiatry, 2024)