Going beyond summed stress scores: Correlating global and territorial coronary flow reserve by single photon emission tomography with routine myocardial perfusion imaging oleh Abigail CC. Chng, Bryan MH. Keng, Xue Fen Teng, Kok Wei Aik, Muhammad Khairulnizar Azman, Larry R. Natividad, Candice SM. Chong, Packrisamy N. Neela, Ru-San Tan, Lohendran Baskaran, Terrance SJ. Chua, Felix YJ. Keng, Angela S. Koh