TY  - RPRT
TI  - Variant angina.
AU  - A H Khan
AU  - A B Landry
PY  - 1972
DO  - 10.7326/0003-4819-76-2-335
UR  - https://pubmed.ncbi.nlm.nih.gov/5009607/
ID  - 5009607
ER  -