Guy, Duncan, Dr. McGraw-Hill's pocket guide to ECG's / Pocket guide to ECG's by Duncan Guy. - 2nd ed. - London : McGraw-Hill, 2006. - iv, 162 p. : ill. ; 18 cm. Includes index. ISBN: 0074715542 (pbk.) : £15.99 Subjects--Topical Terms: Electrocardiography. LC Class. No.: RC 638.5 / .G89 2006