Ferrara, F., Gargani, L., Contaldi, C., Agoston, G., Argiento, P., Armstrong, W. F., . . . Investigators, O. b. o. t. R. H. I. N. (2021). A multicentric quality-control study of exercise Doppler echocardiography of the right heart and the pulmonary circulation. The RIGHT Heart International NETwork (RIGHT-NET). Cardiovascular Ultrasound, 19(1), 1-11. https://doi.org/10.1186/s12947-021-00238-1

Ferrara, Francesco, et al. "A Multicentric Quality-control Study of Exercise Doppler Echocardiography of the Right Heart and the Pulmonary Circulation. The RIGHT Heart International NETwork (RIGHT-NET)." Cardiovascular Ultrasound 19, no. 1 (2021): 1-11. https://doi.org/10.1186/s12947-021-00238-1.

Ferrara, Francesco, et al. "A Multicentric Quality-control Study of Exercise Doppler Echocardiography of the Right Heart and the Pulmonary Circulation. The RIGHT Heart International NETwork (RIGHT-NET)." Cardiovascular Ultrasound, vol. 19, no. 1, 2021, pp. 1-11, https://doi.org/10.1186/s12947-021-00238-1.