TY - JOUR AN - 17 AU - Schuster,A. AU - Morton,G. AU - Nagel,E. TI - Letter by Schuster et al. regarding article “Selecting a noninvasive imaging study after an inconclusive exercise test.” JO - Circulation PY - 2011 VL - 123 (23) SP - e632- M2 - e632 DO - 10.1161/CIRCULATIONAHA.110.004879 ER -