@misc{indiciae50c1b84b8181, title = {Methodologic problems of exercise testing for coronary artery disease: groups, analysis and bias.}, author = {J T Philbrick and R I Horwitz and A R Feinstein}, year = {1980}, doi = {10.1016/0002-9149(80)90432-4}, url = {https://pubmed.ncbi.nlm.nih.gov/7435391/}, note = {Source identifier: 7435391} }