TY  - BOOK
AU  - Scherf,David
AU  - Boyd,Linn J.
TI  - Clinical electrocardiography,
AV  - RC683 .S24 1946
U1  - 616.0751 
PY  - 1946///]
CY  - Philadelphia [etc.]
PB  - J.B. Lippincott Company
KW  - Electrocardiography
N1  - Includes bibliographies
ER  -