Elevated systemic immune-inflammatory index predicts poor coronary collateralization in type 2 diabetic patients with chronic total occlusion - Mao, Lin Shuang; Wang, Yi Xuan; Wu, Zhi Ming; Ding, Feng Hua; Lu, Lin; Shen, Wei Feng; Dai, Yang; Shen, Ying (Frontiers in Cardiovascular Medicine, 2024)