Muzakkir, A., Y. Padang, P. Kabo, A. Mappahya, and A. 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 2026, doi:10.30701/ijc.2051.