Aehlert, Barbara. ECGs made easy : pocket reference / Barbara Aehlert ; illustrations by Kimberly Battista. - 2nd ed. - St. Louis, Mo. : Mosby, c2002. - 183 p. : ill. (some col.) ; 19 cm. ISBN: 032301433X LCCN: 2002279915 Subjects--Topical Terms: Electrocardiography--Handbooks, manuals, etc. LC Class. No.: RC683.5.E5 / A39 2002 Dewey Class. No.: 616.120