Dubin, Dale. Rapid interpretation of EKG's : a programmed course / by Dale Dubin. - 5th ed. - Tampa : ill., 1996. - xi, 342 p.: ill. ; 26 cm. Includes bibliographical references and index. ISBN: 0912912014 Subjects--Topical Terms: Electrocardiography. National Library of Medicine Call No.: WG 18.2 / D852r 1996