Houghton, Andrew R. Making sense of the ECG : a hands-on guide / [by] Andrew R. Houghton [and] David Gray - Int. student's ed. - London : Arnold, 1997 - 268 p. : ill. ; 21 cm. Includes index. ISBN: 0340676574 0340701005 RM78.26 RM44.10 Subjects--Topical Terms: Electrocardiography National Library of Medicine Call No.: WG140 / .H838 1997 9