00704cam a22002291 4500 sg 44000230 DLC 20260227112743.0 841207s1944 maua 000 0 eng c sg 44000230 (OCoLC)11464012 U.S. Surg.-Gen. Off. Libr. OrU-M DLC premarc RC683 .R5 616.0751 Riseman, Joseph E. F. (Joseph Ephraim Frank), 1903- P-Q-R-S-T, a guide to the interpretation of electrocardiograms [by] Joseph E.F. Riseman ... [Boston, 1944] 1 p. l., 28 p. diagrs. 15 x 21 cm. "First edition." Electrocardiography. 90455 90455