TY - RPRT TI - Electrocardiographic changes preceding catecholamine-induced arrhythmias. AU - D E HUTCHEON AU - R LAFFAN PY - 1963 DO - 10.3181/00379727-113-28424 UR - https://pubmed.ncbi.nlm.nih.gov/13955917/ ID - 13955917 ER -