Clinical and Angiographic Profile of Acute Coronary Syndrome in Adults Under 40 Years: A Cross-sectional Observational Study. - Pancholi, Tushar; Diggikar, Pradnya; Madhukar, Madineni; Sri, Yammanuru Bhavya; Yekkaluru, Sreevidya; Patil, Shivraj; Aher, Priyanka; Gupta, Prashansa (Annals of African Medicine, 2026)