Relationship between risk stratification by cardiac troponin level and adherence to guidelines for non-ST-segment elevation acute coronary syndromes. - Roe MT; Peterson ED; Li Y; Pollack CV Jr.; Christenson RH; Peacock WF; Fesmire FM; Newby LK; Jesse RL; Hoekstra JW; Gibler WB; Ohman EM (Archives of Internal Medicine, 2005)