APA (7th ed.) Citation

Burstow, D., Hudaverdi, M., Walters, D., & Scalia, G. (2011). If the Pictures are Clear, Is Transoesophageal Echocardiography for Aortic Annulus and Root Measurements Really Needed in Patients Undergoing Workup for TAVI? Heart, Lung & Circulation, 20, S177. https://doi.org/10.1016/j.hlc.2011.05.439

Chicago Style (17th ed.) Citation

Burstow, D., M. Hudaverdi, D. Walters, and G. Scalia. "If the Pictures Are Clear, Is Transoesophageal Echocardiography for Aortic Annulus and Root Measurements Really Needed in Patients Undergoing Workup for TAVI?" Heart, Lung & Circulation 20 (2011): S177. https://doi.org/10.1016/j.hlc.2011.05.439.

MLA (9th ed.) Citation

Burstow, D., et al. "If the Pictures Are Clear, Is Transoesophageal Echocardiography for Aortic Annulus and Root Measurements Really Needed in Patients Undergoing Workup for TAVI?" Heart, Lung & Circulation, vol. 20, 2011, p. S177, https://doi.org/10.1016/j.hlc.2011.05.439.