Rantung, N. O. H., N. Azria, J. P. D. Suling, and H. Silaban. “The Calm Before the Storm: Wellens Syndrome Revisited”. Indonesian Journal of Global Health Research, Vol. 7, no. 5, Oct. 2025, pp. 835-42, doi:10.37287/ijghr.v7i5.6908.