Intravascular ultrasound surrogate markers for optical coherence tomography calcium score in percutaneous coronary intervention. - Hattori K; Gohbara M; Kitajima S; Hanajima Y; Tsutsumi K; Kirigaya H; Kirigaya J; Kikuchi S; Nakahashi H; Kimura Y; Matsushita K; Okada K; et al. (Cardiovascular intervention and therapeutics, 2026)