Developing a high-quality patient-centric integrated model for emergency care system in selected districts of India: An implementation research protocol (INDIA-EMS Study) - Manu Ayyan S; Arvind Kumar Singh; Hemantkumar S. Patadia; Shreyas Patel; Saurabh Saigal; Jeyaraj Durai Pandian; Thejus Varghese; Ankur Joshi; Meenakshi Sharma (PLoS ONE, 2025)