Mathur, A., S. K. Jha, S. Singhal, D. Jain, and H. Shahi. “Proenkephalin for Early post–MI Risk Stratification: Comparative Prognostic Performance Versus NT‑proBNP and GRACE”. International Journal of Research in Medical Sciences, vol. 14, no. 2, Jan. 2026, pp. 548-54, doi:10.18203/2320-6012.ijrms20260241.