Patients (7) Human beings (7) Patients (7) Imaging (7) pet (6) Example (6) flow (5) reserve (5) Tomography (5) Blood flow (5) stress (4) model (4) analysis (4) adult (4) Tomography, Emission (4) Rubidium (4) Rest (4) Older people (4) Analysis (4) Tomography (4) adult (4) well (3) disease (3) comparison (3) method (3) Comparison (3) Image analysis (3) Radioisotopes (3) Coronary circulation (3) Isotopes (3)