TY  - RPRT
TI  - Beta blockade and coronary circulation.
AU  - M H Frick
AU  - K S Virtanen
PY  - 1976
DO  - 10.1016/s0002-8703(76)80339-0
UR  - https://pubmed.ncbi.nlm.nih.gov/1258762/
ID  - 1258762
ER  -