Utility of a Smartphone Application in Assessing Palmar Circulation Before Radial Artery Harvesting for Coronary Artery Bypass Grafting. - Parlow S; Di Santo P; Abdel-Razek O; Jung RG; Motazedian P; Robinson L; Feagan H; Morgan B; Wade J; Toeg H; Al-Atassi T; Ruel M; et al. (Circulation, 2023)