Related by context. Frequent words. (Click for all words.) 60 lung nodules 58 Prostate Specific Antigen PSA 57 sensitivity specificity 55 fecal occult blood 54 barium enema 54 myocardial perfusion 54 DEXA 54 flexible sigmoidoscopy 54 Virtual colonoscopy 54 creatinine levels 53 FOBT 53 tissue biopsies 52 fingerstick 52 digital rectal examination 52 HbA1C 51 capacitive sensors 51 coating thickness 50 specific antigen 50 Biopsies 50 cystoscopy 50 colorimetric 50 chest x rays 49 prostate specific antigen 49 spectrophotometers 49 quantitation 49 SPECT imaging 49 + -1 48 surgical biopsy 48 PET positron emission tomography 48 liver biopsies 48 Western Blot 47 prognostic marker 47 hemoglobin A1C 47 FT IR 47 optical coherence tomography OCT 47 total cholesterol HDL 47 oral glucose tolerance 47 serological 47 digital rectal exams 47 electrocardiographic 46 diagnostic assays 46 noise ratio SNR 46 protein biomarker 46 near infrared NIR 46 fasting blood glucose 46 Western blot 46 detectability 45 noninvasive imaging 45 Furosemide 45 responsivity 45 radioiodine 45 liver biopsy 45 X ray fluorescence 44 UHPLC 44 PSA prostate 44 reproducibility 44 parasitic extraction 44 chromatographic 44 urine specimens 44 screening colonoscopy 44 LC MS MS 44 prostate biopsy 43 prostate biopsies 43 darbepoetin 43 chest x ray 43 fluorescence imaging 42 surface roughness 42 nano particle 42 sensor arrays 42 biopsies 42 variography 42 spirometry 42 halftone 42 anabolic agents 42 x ray imaging 42 non invasive 41 ECGs 41 photometric 41 spectrometry 41 conformability 41 #um [002] 41 digital rectal exam 41 diagnostically 41 diagnostic 41 metabolite 41 ionisation 41 directivity 41 noninvasively 41 CT scans 40 repeatability 40 detectible 40 serum samples 40 lipid profile 40 detector 40 erythropoietin EPO 40 printability 40 detectable 40 noninvasive 40 thickness 40 analyzer 40 cotinine