Santeliz, J. and Delgado, E. (2021) “Cardiac function determined by two-dimensional transthoracic echocardiography in a cohort of venezuelans copd patients”, Revista Venezolana de Salud Pública, 9(1), pp. 2–19. Available at: https://revistas.uclave.org/index.php/rvsp/article/view/3236 (Accessed: 9 October 2026).