Muzakkir, Akhtar, Yogi Padang, Peter Kabo, Ali Mappahya, and Andi Zainuddin. “Predischarge Lung Ultrasound B-Lines As a Robust Predictor of 90-Day Rehospitalization in Heart Failure With Reduced Ejection Fraction (HFrEF): Evidence from Clinical and Classification and Regression Tree (CART)-Based Risk Stratification”. Indonesian Journal of Cardiology (July 28, 2026). Accessed August 16, 2026. https://ijconline.id/index.php/ijc/article/view/2051.