TY  - BOOK
AU  - Summerall,Charles P.
TI  - Lessons in EKG interpretation: a basic self-instructional guide 
SN  - 0471882321
PY  - 1985///
CY  - New York
PB  - John Wiley & Sons
KW  - Electrocardiography
KW  - Programmed instruction
KW  - Heart
KW  - Diseases
KW  - Diagnosis
KW  - Heart diseases
ER  -