@misc{indiciae9b52e457dc33, title = {Provocative testing for coronary arterial spasm: risk, method and rationale.}, author = {F A Heupler}, year = {1980}, doi = {10.1016/0002-9149(80)90081-8}, url = {https://pubmed.ncbi.nlm.nih.gov/7405847/}, note = {Source identifier: 7405847} }