Related by context. Frequent words. (Click for all words.) 60 urine samples 57 serum samples 54 finger prick 53 samples 52 saliva samples 52 stool samples 52 tissue samples 51 urine 51 cheek swabs 50 fecal samples 50 swabs 50 urine sample 50 urinalysis 50 specific antigen 50 Biopsies 49 swab 49 nasal swabs 49 urine tests 49 fecal occult blood 49 semen sample 49 saliva 49 swab samples 48 semen samples 48 boosting hormone EPO 47 oral glucose tolerance 47 ECGs 47 sample 47 saliva sample 46 nasal swab 46 sputum 46 Tissue samples 46 skin prick 46 chest x rays 46 PSA prostate 46 fine needle aspiration 46 biopsies 46 tests 46 serological 46 electrocardiograms 45 FOBT 45 prostate specific 45 Breathalyzer tests 45 prostate biopsies 45 Urine 45 D dimer 45 apheresis 45 prostate biopsy 44 cytology 44 hematocrit 44 bloodwork 44 neuropsychological tests 44 cheek swab 44 Hemoglobin 44 coronary angiography 44 exhaled breath 44 fasting glucose 44 flexible sigmoidoscopy 44 hemoglobin A1C 44 prostate specific antigen 43 specimens 43 breathalyzer tests 43 EEGs 43 blood 43 DNA samples 43 histopathology 43 breath analyzer 43 cotton swab 43 DNA swab 42 immunohistochemistry 42 gel electrophoresis 42 hemoglobin A1c 42 mouth swab 42 vaginal secretions 42 needle biopsy 42 lipid profile 42 darbepoetin 42 hemoglobin 42 liver biopsy 42 serology 42 cerebrospinal fluid CSF 42 screening colonoscopy 42 chest x ray 42 chest X rays 42 analyte 41 throat swabs 41 bone density screening 41 confirmatory testing 41 cotinine 41 erythropoietin EPO 41 roadside sobriety tests 41 testing 41 OraQuick 41 pap smear 41 DNA sample 41 analytes 41 creatinine 41 serum 41 Soil samples 41 DNA swabs 41 spirometry 41 biopsied