Ultrasonography evaluation on the protective effect of combination therapy of beraprost sodium and aspirin on arteries occlusion and stiffness in patients with type 2 diabetes mellitus - a prospective, randomized study. - Lin, Xian; Chen, Yuying; Lu, Wan; Li, Jin; Fu, Li; Yin, Jingyu; Ren, Meng; Yan, Li; Yang, Chuan (BMC Endocrine Disorders, 2022)