Nugroho, Hari Adityo, Ari Prasetyadjati, and Willy Johan. “Acute Symptomatic Covert Abdomen in Acute Heart Failure Patients: Early Identification With Emergency Ultrasound: Case Report”. Cermin Dunia Kedokteran 52, no. 4 (April 7, 2025): 258–261. Accessed February 28, 2026. https://cdkjournal.com/index.php/cdk/article/view/1274.