P-Q-R-S-T; a guide to electrocardiogram interpretation.
Riseman, Joseph E. F.
P-Q-R-S-T; a guide to electrocardiogram interpretation. - 3d ed. - New York, Macmillan, 1957 - 123 p. ill.
Electrocardiography
WG 140 / .R57 1957
P-Q-R-S-T; a guide to electrocardiogram interpretation. - 3d ed. - New York, Macmillan, 1957 - 123 p. ill.
Electrocardiography
WG 140 / .R57 1957