Related by context. Frequent words. (Click for all words.) 56 lumbar puncture 55 biopsy 54 fecal occult blood 54 cheek swab 53 swab 53 pin prick 53 pap smear 53 liver biopsy 53 biopsies 53 skin prick 52 mouth swab 52 aspirate 52 lancets 52 nasal swabs 52 flexible sigmoidoscopy 51 needle biopsy 51 oral glucose tolerance 50 colonoscopy 50 blood glucose 50 spinal tap 50 bloodwork 50 hemoglobin A1c 50 Pap smear 50 amniocentesis 50 saliva sample 50 intravenous infusion 49 pelvic exam 49 cotton swab 49 noninvasive 49 stool samples 49 chest x rays 48 daily insulin injections 48 ultrasound scan 48 urinalysis 48 A1c 48 catheter inserted 48 Biopsies 48 glucose 48 invasive procedure 47 chest x ray 47 screening mammogram 47 breast biopsies 47 colposcopy 47 thyroxine 47 tests 47 prostate biopsy 47 pulse oximeter 47 angiogram 46 PSA prostate 46 microliter 46 FOBT 46 apheresis 46 prostate biopsies 46 pipette 46 CT angiography 46 pipetting 46 minimally invasive procedure 46 CT scan 46 Pap test 46 sigmoidoscopy 46 mammogram 46 electrocardiograms 46 non invasive 46 coronary angiography 46 ECGs 46 cystoscopy 46 insulin injections 46 spinal taps 46 EKG 45 glucose monitoring 45 ultrasounds 45 chest X ray 45 specific antigen 45 urine tests 45 cannula 45 prostate specific antigen 45 invasive procedures 45 blood sugar 45 saline solution 45 catheterization 45 PET scan 45 EKGs 45 Donating blood 45 electrocardiogram ECG 45 ELISA 45 cholesterol lowering medication 45 diagnostic tests 45 digital rectal exam 45 phlebotomist 44 heart catheterization 44 saliva 44 transfusions 44 fasting glucose 44 pretest 44 marrow transplant 44 analyte 44 misoprostol 44 bronchoscopy 44 confirmatory testing 44 sample 44 swabs