Invasive transvalvular flow rate to predict likely severe aortic valve stenosis with low-gradient and normal ejection fraction. - Elbasha K; Kurniadi A; Samy M; Landt M; Alotaibi S; Zakaria M; Toelg R; Nef H; Richardt G; Mankerious N; Allali A (Clinical research in cardiology : official journal of the German Cardiac Society, 2026)