Related by context. Frequent words. (Click for all words.) 53 bioassays 53 colorimetric 53 anabolic agents 52 breath analyzer 52 forensic toxicologist 52 cotinine 52 saliva 52 tandem mass spectrometry 51 urine specimens 51 X ray fluorescence 51 skin prick 51 urinalysis 51 cystatin C 51 toxicological 51 urine 50 analyte 50 metabolite 50 PCR amplification 50 acute toxicity 50 oral swab 50 serologic 50 ketone 50 metabolites 50 biomarker 50 genotoxic 49 NMS Labs 49 genotoxicity 49 Urine 48 oral glucose tolerance 48 Western Blot 48 reproductive toxicity 48 acamprosate 48 NNAL 48 acrolein 48 gonadotropin 48 Western blot 47 breathalyzer 47 urine tests 47 Minoxidil 47 IgG antibodies 47 Microbiological 47 thujone 47 adulterants 47 microbiological testing 47 hemoglobin A1C 47 follicle stimulating hormone 47 glycated hemoglobin 46 toxicology 46 mass spectroscopy 46 Breathalyzers 46 testing 46 serum calcium 46 furan 46 DMSO 46 surrogate endpoints 46 creatinine levels 46 tests 46 gas chromatograph 46 pharmacogenetic 46 finger prick 46 microRNA expression 46 #mcg [003] 46 xanthohumol 46 urine specimen 46 OraQuick 45 nanogram 45 inorganic arsenic 45 bicalutamide 45 surrogate endpoint 45 DNA microarray 45 N acetylcysteine 45 LC MS MS 45 biomarkers 45 alcohol 45 Breathalyzer 45 D dimer 45 HbA1C 45 performance liquid chromatography 45 aldehyde 45 naturally occurring substances 45 toxicity 45 serological 45 liquid chromatography mass spectrometry 45 semen sample 45 vaginal secretions 45 substances 45 sputum samples 45 Biotin 45 coliforms 45 pharmacodynamic effects 45 synthetic peptides 44 bioassay 44 BACs 44 toxicological tests 44 biotin 44 optical biosensors 44 powder residue 44 platelet function 44 sensitivity specificity 44 chlorhexidine 44 hemoglobin A1c