Related by context. Frequent words. (Click for all words.) 64 urine samples 60 urine sample 59 tests 51 testing 49 breathalyzer test 48 urine 48 doping 48 breathalyzer 48 tested positive 47 banned substances 46 amphetamines 46 test 45 physicals 45 lie detector test 45 field sobriety tests 44 banned substance 44 retested 43 polygraph test 43 polygraph 42 anabolic steroids 42 toxicology tests 42 retesting 42 samples 42 anti doping 42 swab 41 nandrolone 41 DNA sample 41 field sobriety 40 performance enhancing substances 40 EPO 40 prescribed medication 40 DNA testing 40 blood transfusions 39 background checks 39 blood transfusion 39 checkups 39 World Anti Doping 39 checks 39 performance enhancing 39 substances 39 HGH 39 MRIs 38 clenbuterol 38 screenings 38 Anti Doping Agency 38 sobriety test 38 transfusions 38 X rays 38 Testing 37 illicit drugs 37 evaluations 37 WADA 37 Toxicology 37 DNA samples 37 tested 37 sample 37 dope 37 swabs 37 steroid 37 CT scan 37 checkup 37 steroids 37 x rays 37 screening 36 amphetamine 36 Anti Doping 36 CAT scan 36 USADA 36 toxicology 36 saliva 36 ephedrine 36 CT scans 35 diuretics 35 biopsies 35 chest X ray 35 scans 35 samplings 35 colonoscopy 35 MRI scans 35 stimulants 35 diagnostic tests 35 diuretic 34 alcohol 34 BALCO 34 medical checkup 34 retest 34 inspections 34 testers 34 Screening 34 metabolites 34 blood 34 performance enhancers 34 autopsies 33 GHB 33 doping scandal 33 paternity test 33 drug 33 methamphetamines 33 colonoscopies 33 Cycling Union 33 thyroid