TY  - BOOK
TI  - Understanding electrocardiography: arrhythmias and the 12-lead ECG 
SN  - 0801610192
AV  - RC683.5.E5 C65 1991
PY  - 1992///
CY  - St. Louis
PB  - Mosby Year Book
KW  - Electrocardiography
N1  - Includes bibliographical references and index
ER  -