Quantification of the reversibility of stressinduced thallium-201 polar maps and standard normal limits - Garcia, EV; DePuey, EG; Sonnemaker, RE; Neely, HR; DePasquale, EE; Robbins, WL; Moore, WH; Heo, J; Iskandrian, AS; Campell, J (J Nucl Med, 1990)