Related by context. Frequent words. (Click for all words.) 61 saliva sample 61 DNA samples 60 saliva samples 60 cheek swab 60 DNA sample 58 mouth swab 56 DNA swab 56 semen sample 56 DNA swabs 55 tissue samples 50 swab 49 stool samples 49 samples 49 DNA 49 semen samples 48 DNA testing 47 urine samples 47 swabs 46 serum samples 46 cotton swab 46 Tissue samples 45 saliva 45 sample 44 Biopsies 44 fecal samples 44 biobank 44 bone marrow registry 43 microscopic examination 43 specimens 43 fingerprints 43 boosting hormone EPO 42 marrow donor 42 skin prick 42 marrow transplant 41 genetic markers 41 urine sample 41 bone marrow transplants 41 biopsies 41 urine tests 41 questionnaires 40 swabbing 40 cytogenetic 40 bone marrow 40 genetic fingerprint 40 pap smear 40 genotyped 40 mitochondrial DNA 40 lie detector tests 40 microarray analysis 40 cotton swabs 40 biopsy 40 DNA fingerprinting 40 fingerprint 40 genetic sequencing 40 spinal fluid 40 identifications 39 fecal occult blood 39 prostate biopsy 39 Questionnaires 39 gene expression profiles 39 Bone Marrow Registry 39 fingerprinted 39 randomly selected 38 Pap smear 38 Specimens 38 National Longitudinal Study 38 ovarian tissue 38 confirmatory 38 dna 38 spinal tap 38 swabbed 38 lab 38 tests 38 semen 38 Genotyping 38 cloned embryo 38 bloodwork 37 genetic 37 proteomic 37 scrapings 37 paternity test 37 questionnaire 37 polygraph test 37 screening mammogram 37 mug shots 37 HapMap 37 workup 37 random sample 37 biopsied 37 genetic sequences 37 inseminate 37 random sampling 37 informed consent 37 familial DNA 37 prescreen 37 psychological evaluations 37 autopsies 37 handwriting samples 37 DNA sequences 36 polygraph tests 36 Swabs