Related by context. Frequent words. (Click for all words.) 54 semen sample 51 immunohistochemistry 50 semen samples 49 Western blot 49 nasal swab 49 serological 49 serology 48 nasal swabs 48 tissue samples 48 sputum samples 47 vaginal swabs 47 serum samples 47 cheek swab 47 cheek swabs 47 toxicological tests 47 formalin fixed paraffin embedded 47 polymerase chain reaction 46 swab samples 46 situ hybridization 46 confirmatory tests 46 urine specimens 46 genetic fingerprinting 46 vaginal swab 46 histopathology 45 DNA 45 peripheral blood mononuclear 45 DNA testing 45 saliva sample 44 semen 44 microarray analysis 44 throat swab 44 pulmonary TB 44 gene expression profiling 44 DNA sample 43 vitro experiments 43 vaginal secretions 43 estrogen receptor ER 43 fecal samples 43 genetic fingerprint 43 microscopic examination 43 semen stains 43 RT PCR 42 samples 42 cloned stem cells 42 Biopsies 42 tests 42 stool samples 42 DNA samples 42 polygraph examinations 42 confirmatory testing 42 pharmacokinetic studies 42 digital rectal examination 42 swab 42 genital tract 42 mouth swab 42 pathogen detection 42 cerebrospinal fluid CSF 42 urinalysis 41 Ballistics tests 41 genomic sequencing 41 Mitochondrial DNA 41 DNA databank 41 bacterial strain 41 GeneXpert 41 enzyme linked immunosorbent 41 confirmatory 41 specific antigen 41 autopsies 41 vitro assays 41 liver biopsy 41 saliva 41 DNA microarray 41 cerebral spinal fluid 41 swabs 40 Tissue samples 40 DNA profiling 40 boosting hormone EPO 40 NGAL 40 succinylcholine 40 evidence 40 genetic sequencing 40 gel electrophoresis 40 H5 virus 40 gene sequences 40 cytogenetic 40 needle biopsy 40 antibodies 40 Necropsies 40 DNA swabs 40 finger prick 40 Wheat gluten 40 bone marrow biopsy 40 sentinel node 40 assay 40 mtDNA 40 genotoxicity 40 DNA swab 40 microbiological testing 40 seminal fluid 39 proteomic 39 gunpowder residue