Hampton, John R. 150 ECG problems / One hundred fifty ECG problems John R. Hampton. - 3rd ed. - Edinburgh : Churchill Livingstone/Elsevier, 2008. - ix, 312 p. : ill. ; 19 cm. Includes index. ISBN: 9780443068232 (pbk.) Subjects--Topical Terms: Electrocardiography--Problems, exercises, etc. Dewey Class. No.: 616.1207547 / HAM