Related by context. Frequent words. (Click for all words.) 72 urine sample 64 urine tests 60 samples 57 saliva samples 56 DNA samples 54 urine 54 tissue samples 52 dope tests 51 substances 51 doping 51 banned substances 51 tested positive 51 DNA sample 51 EPO 50 swabs 49 nandrolone 49 sample 49 performance enhancing substances 49 banned substance 48 urinalysis 47 prohibited substances 47 performance enhancing 47 anti doping 46 growth hormone 46 HGH 46 syringes 46 blood booster EPO 46 synthetic testosterone 46 steroids 46 WADA 45 performance enhancers 45 anabolic steroids 45 PEDs 45 swab 45 Drug Testing 44 amphetamines 44 World Anti Doping 44 saliva 44 tests 43 anabolic steroid 43 blood transfusion 43 lie detector tests 43 semen 43 polygraph tests 42 metabolite 42 breathalyzer test 42 retested 42 clenbuterol 42 metabolites 42 Anti Doping Agency 41 BALCO 41 steroid 41 retesting 41 Anti Doping 41 ASADA 40 DNA 40 blood transfusions 40 distributing steroids 40 specimens 40 vials 40 stimulants 40 USADA 40 THG 40 polygraph test 39 transfusions 39 ephedrine 39 Clenbuterol 39 testosterone 39 testing 39 dope 39 banned stimulant 39 doping scandal 39 Spanish Vuelta 38 newspaper L' Equipe 38 chest X rays 38 blood 38 banned diuretic 38 diuretics 38 erythropoietin 38 ng mL 38 Breathalyzer test 38 test 38 Toxicology tests 38 Ljungqvist 37 toxicology tests 37 DHEA 37 Urine 37 Bordry 37 AFLD 37 diuretic 37 grand jury testimony 37 polygraph 37 drugs 37 multivitamin 37 prescribed medication 37 Laboratory Co Operative 37 laboratory 37 Balco 36 lie detector test 36 trace amounts 36 creatine