Cost-effectiveness of Fractional Flow Reserve Versus Intravascular Ultrasound to Guide Percutaneous Coronary Intervention: Results From the FLAVOUR Study. - Hwang D; Kim HL; Ko J; Choi H; Jeong H; Jang SA; Hu X; Kang J; Zhang J; Jiang J; Hahn JY; Nam CW; et al. (Korean circulation journal, 2025)