Akaycan, J., S. Hidayet, Z. Ulutas, and Y. Karaca. “Important Considerations in the Echocardiographic Assessment of Tricuspid Regurgitation and Right Ventricular Function”. Annals of Medical Research, vol. 27, no. 1, May 2021, pp. 0393-8, http://www.annalsmedres.org/index.php/aomr/article/view/535.