TY  - RPRT
TI  - Comparative efficacy of coronary vasodilatory methods.
AU  - J J Bookstein
AU  - C B Higgins
DO  - 10.1097/00004424-197703000-00004
UR  - https://pubmed.ncbi.nlm.nih.gov/856754/
ID  - 856754
ER  -