Siregar, Raja Adil, Harmani Kalim, Bambang Siswanto, and Amiliana Soesanto. 1. “Correlation Between NT-ProBNP Plasma Levels With Mitral Annular Tissue Doppler Velocities in Heart Failure Patients”. Indonesian Journal of Cardiology 31 (3), 168-74. https://doi.org/10.30701/ijc.v31i3.129.