Agstam, MBBS, MD, DM S, Gupta, MBBS, MD, DM A, Bansal, MBBS, MD, DM S. Retinal artery pulsations in aortic regurgitation—the Becker’s sign revisited. Digit J Ophthalmol. 2021;27(3). Accessed May 4, 2024. https://djo.harvard.edu/index.php/djo/article/view/43