Related by context. Frequent words. (Click for all words.) 63 electromyography 61 electrophysiological 61 blood oxygenation 60 near infrared spectroscopy 60 intracardiac 58 immunohistochemical 58 Computed tomography 58 echocardiographic 58 histopathologic 58 MR spectroscopy 58 electroencephalography EEG 57 nerve conduction 57 near infrared NIR 57 myocardial perfusion 57 HPA axis 57 electroencephalogram EEG 56 electrical conduction 56 Radiographic 56 melanopsin 56 magnetic resonance MR 56 nociceptive 56 fluoroscopic 56 immunoreactivity 56 intra arterial 56 electrocardiographic 56 histopathological 56 thyroid stimulating hormone 56 absorbance 56 noninvasive imaging 56 primary visual cortex 56 subthalamic nucleus 55 nerve stimulation 55 paramagnetic 55 optical coherence tomography 55 optical coherence tomography OCT 55 photoluminescence 55 sensorimotor 55 transcranial magnetic stimulation 55 Doppler ultrasound 55 deconvolution 55 Preoperative 55 electroencephalogram 55 Unified Parkinson Disease 54 pharmacodynamic effects 54 contractility 54 somatosensory 54 skin conductance 54 mRNA expression 54 oscillatory 54 fine needle aspiration 54 striatal 54 allodynia 54 diffusion tensor imaging 54 imaging MRI 54 electroencephalography 54 FDG PET 54 scintigraphy 54 myocardial ischemia 54 Positron Emission Tomography PET 54 C Reactive Protein 54 intravascular ultrasound 54 neovascularization 54 immunofluorescence 54 colorimetric 54 infarct size 54 secretin 53 optical biosensors 53 diffractive 53 glomerular filtration rate 53 single photon emission 53 conformational changes 53 zeta potential 53 photoreceptor 53 biphasic 53 physiologic 53 passivation 53 situ hybridization 53 MR imaging 53 SPECT imaging 53 contractile 53 iontophoresis 53 sensitivity specificity 53 electrocardiography 53 analyte 53 gene amplification 52 retinal pigment epithelium 52 radiotracer 52 electrophoretic 52 positron emission tomography PET 52 vasodilation 52 mass spectroscopy 52 confocal microscopy 52 ganglion cells 52 QTc prolongation 52 QTc interval 52 qRT PCR 52 PCR amplification 52 distension 52 diagnostically 52 biodistribution 52 computed tomography CT scan