Invited commentary. Regurgitation develops primarily as a result of annular dilatation resulting from enlargement of the ascending aorta.

MLA

Okita, Yutaka. “Invited Commentary. Regurgitation Develops Primarily as a Result of Annular Dilatation Resulting from Enlargement of the Ascending Aorta.” The Annals of Thoracic Surgery, vol. 84, no. 6, Dec. 2007, pp. 1953–54. EBSCOhost, https://doi.org/10.1016/j.athoracsur.2007.08.058.

APA

Okita, Y. (2007). Invited commentary. Regurgitation develops primarily as a result of annular dilatation resulting from enlargement of the ascending aorta. The Annals of Thoracic Surgery, 84(6), 1953–1954. https://doi.org/10.1016/j.athoracsur.2007.08.058

Chicago

Okita, Yutaka. 2007. “Invited Commentary. Regurgitation Develops Primarily as a Result of Annular Dilatation Resulting from Enlargement of the Ascending Aorta.” The Annals of Thoracic Surgery 84 (6): 1953–54. doi:10.1016/j.athoracsur.2007.08.058.