Admontree S, Asavaphatiboon S, Pongnapang N, Krisanachinda A. Assessment of radiation dose in cardiac CT angiography using retrospective ECG gating technique at Ramathibodi Hospital. Chula Med J [internet]. 2023 Jul. 27 [cited 2025 Mar. 14];64(3). available from: https://he05.tci-thaijo.org/index.php/CMJ/article/view/230