TY  - RPRT
TI  - Coronary spasm: old problem, new questions.
AU  - E A Amsterdam
AU  - D T Mason
PY  - 1981
DO  - 10.1016/0002-8703(81)90680-3
UR  - https://pubmed.ncbi.nlm.nih.gov/7468432/
ID  - 7468432
ER  -