Large aortic valve fenestrations producing chronic aortic regurgitation.

MLA

Kaplan, J., et al. “Large Aortic Valve Fenestrations Producing Chronic Aortic Regurgitation.” American Heart Journal, vol. 122, no. 5, Nov. 1991, pp. 1475–77. EBSCOhost, https://doi.org/10.1016/0002-8703(91)90597-b.

APA

Kaplan, J., Farb, A., Carliner, N. H., & Virmani, R. (1991). Large aortic valve fenestrations producing chronic aortic regurgitation. American Heart Journal, 122(5), 1475–1477. https://doi.org/10.1016/0002-8703(91)90597-b

Chicago

Kaplan, J, A Farb, N H Carliner, and R Virmani. 1991. “Large Aortic Valve Fenestrations Producing Chronic Aortic Regurgitation.” American Heart Journal 122 (5): 1475–77. doi:10.1016/0002-8703(91)90597-b.