Richter, J E Overview of diagnostic testing for chest pain of unknown origin. [electronic resource] - The American journal of medicine May 1992 - 41S-45S p. digital Publication Type: Journal Article; Review ISSN: 0002-9343 Standard No.: 10.1016/0002-9343(92)80055-5 doi Subjects--Topical Terms: Angina Pectoris--diagnosisChest Pain--diagnosisDiagnosis, DifferentialHumans