Determinants of coronary collateral formation in patients with acute ST-elevation myocardial infarction and total occlusion of infarct-related artery oleh Sharad Chandra, Sharath Sanganagoudar, Gaurav K Chaudhary, Sudhanshu Kumar Dwivedi, Varun Shankar Narain, Rishi Sethi, Akshaya Pradhan, Pravesh Vishwakarma, Akhil Sharma, Monika Bhandari