Related by context. Frequent words. (Click for all words.) 67 keV 64 MeV 61 1kHz 60 collimator 59 ml min 59 responsivity 59 absorbance 59 millivolts 58 fluence 58 nm wavelength 58 amplitudes 58 frames sec 58 postop 58 pulse width 58 erythrocyte sedimentation rate 58 mL kg 57 intracardiac 57 transmittance 57 cm -1 57 msec 57 #.#μm [001] 57 luminous flux 56 near infrared NIR 56 Doppler ultrasound 56 sagittal 56 z axis 56 microwatts 56 μs 56 magnifications 56 mm ² 56 fluoroscopic 56 sensitivity specificity 56 electrocardiography 56 Radiographic 56 fundus 56 collimated 55 microliters 55 ablated 55 external resistor 55 irradiance 55 ISO# [002] 55 noise ratio SNR 55 mammographic 55 photometer 55 X ray beam 55 biphasic 55 linearization 55 emissivity 55 luminous intensity 55 #mV [002] 55 wavefront 55 #ns [002] 55 Computed tomography 55 UXGA 54 ablating 54 excitation 54 μL 54 total harmonic distortion 54 μm 54 #.#mA [003] 54 -# dBm [001] 54 blood oxygen saturation 54 analyte 54 intraoral 54 SpO2 54 cm2 54 electrocardiographic 54 confocal 54 #μm [001] 54 Hz 53 Gbits sec 53 MHz bandwidth 53 diffraction pattern 53 Impedance 53 SPECT CT 53 picoseconds 53 JPEG compression 53 temperature coefficient 53 infrared wavelength 53 microamps 53 RDS ON 53 SPECT imaging 53 Spread Spectrum 53 #m Tc 53 CT computed tomography 53 fluoroscopy 53 epicardial 53 #KHz [001] 53 signal analyzers 53 radiotracer 53 milliamps 53 beam splitter 53 milliwatt 53 angstroms 53 microliter 53 conductance 53 magnification 52 mRNA expression 52 GeV 52 mV 52 echocardiographic