TY  - RPRT
TI  - Left bundle branch block: variations on a theme.
AU  - M Dunn
PY  - 1987
DO  - 10.1016/s0735-1097(87)80163-8
UR  - https://pubmed.ncbi.nlm.nih.gov/3597998/
ID  - 3597998
ER  -