TY  - BOOK
AU  - Riseman,Joseph E.F.
TI  - P-Q-R-S-T, a guide to the interpretation of electrocardiograms
AV  - RC683 .R5
U1  - 616.0751 
PY  - 1944///]
CY  - [Boston
KW  - Electrocardiography
N1  - "First edition."
ER  -