Temporal Trends in Unstable Angina Diagnosis Codes for Outpatient Percutaneous Coronary Interventions.
Wadhera, Rishi K, Devraj Sukul, Eric A Secemsky, Changyu Shen, Hitinder S Gurm, William E Boden, and Robert W Yeh. 2019. “Temporal Trends in Unstable Angina Diagnosis Codes for Outpatient Percutaneous Coronary Interventions.”. JAMA Internal Medicine 179 (2): 259-61.