TY  - SER
AU  - Jacobson, Carol.
TI  - Tools for teaching arrhythmias: wide QRS beats and rhythms-part II, QRS Morphology clues 
PY  - 2007///
KW  - Arrhythmias
KW  - Electrocardiography
KW  - Morphology
N1  - Nursing
ER  -