Extracellular Volume Mapping by Cardiac MRI Predicts Sudden Cardiac Death in AL Amyloidosis: A South Asian Cohort Study. - Pattnaik SA; Ahamed H; Gutjahr G; Krishnakumar M; Sidharthan N (Indian journal of hematology & blood transfusion : an official journal of Indian Society of Hematology and Blood Transfusion, 2026)