APA (7th ed.) Citation

Roule, V., Labombarda, F., Pellissier, A., Sabatier, R., Lognoné, T., Gomes, S., . . . Saloux, E. (2010). Echocardiographic assessment of pulmonary vascular resistance in pulmonary arterial hypertension. Cardiovascular Ultrasound, 8, 21. https://doi.org/10.1186/1476-7120-8-21

Chicago Style (17th ed.) Citation

Roule, Vincent, et al. "Echocardiographic Assessment of Pulmonary Vascular Resistance in Pulmonary Arterial Hypertension." Cardiovascular Ultrasound 8 (2010): 21. https://doi.org/10.1186/1476-7120-8-21.

MLA (9th ed.) Citation

Roule, Vincent, et al. "Echocardiographic Assessment of Pulmonary Vascular Resistance in Pulmonary Arterial Hypertension." Cardiovascular Ultrasound, vol. 8, 2010, p. 21, https://doi.org/10.1186/1476-7120-8-21.

Warning: These citations may not always be 100% accurate.