Technetium Tc 99m SestamibiNitrilesThallium RadioisotopesOrganotechnetium CompoundsTomography, Emission-Computed, Single-PhotonPseudomonas putidaArthrobacterTechnetiumCyanidesHydro-LyasesIndole AlkaloidsOrganometallic CompoundsHeartRadiopharmaceuticalsCoronary DiseaseExercise TestSensitivity and Specificity