AU - Vazquez-Bauza JJ TI - PHysician billing and cardiac stress testing patterns PT - JOUR DP - 2012 TA - JAMA pages = {781-783}, VI - 307 IP - 8 AID - 10.1001/jama.2012.189 [doi] 4100 - http://dx.doi.org/10.1001/jama.2012.189 SO - JAMA February 22, 2012 307(8):781