TY  - RPRT
TI  - A clinically useful coding system for normal coronary artery anatomy.
AU  - W V Vieweg
AU  - D C Smith
AU  - A D Hagan
PY  - 1975
DO  - 10.1002/ccd.1810010206
UR  - https://pubmed.ncbi.nlm.nih.gov/1083294/
ID  - 1083294
ER  -