human 4 single photon emission computed tomography Article 2 Coronary flow reserve (CFR) 2 Ischemic heart disease (IHD) 2 Positron emission tomography (PET) 2 Review 2 Women 2 adult 2 atherosclerosis 2 biomarkers 2 brain mapping 2 clinical assessment 2 controlled study 2 coronary artery disease 2 diagnostic accuracy 2 diagnostic test accuracy study 2 disease control 2 endothelial dysfunction 2 female 2 frontal variant frontotemporal dementia 2 frontotemporal dementia 2 functional connectivity 2 functional magnetic resonance imaging 2 gold standard 2 graph-theory and neurodegenerative diseases 2 heart muscle blood flow 2 intermethod comparison 2 ischemic heart disease 2 major clinical study 2