TY  - BOOK
AU  - Scherf,David
AU  - Schott,Adolf
TI  - Extrasystoles and allied arrhythmias
SN  - 0433293519
PY  - 1973///
CY  - London
PB  - William Heinemann Medical Books
KW  - Extrasystole
KW  - Arrhythmia
ER  -