00870cam a22002411 4500 sg 46000230 DLC 20260227112750.0 761123s1946 paua 001 0 eng c sg 46000230 (OCoLC)2575849 U.S. Surg.-gen. off. Libr. OTMC OCoLC DLC premarc RC683.5.E5 K26 1946 616.120757 Katz, Louis Nelson, 1897-1973. Exercises in electrocardiographic interpretation, by Louis N. Katz ... 2d ed., thoroughly rev., illustrated with 141 engravings containing 166 electrocardiograms. Philadelphia, Lea & Febiger, 1946. 288 p. illus. (incl. forms, diagrs.) 27 cm. A companion volume to the author's Electrocardiography. 2d ed., 1946. Electrocardiography. 90814 90814