Related by context. Frequent words. (Click for all words.) 66 semen sample 61 semen 61 tissue samples 56 DNA samples 55 saliva samples 54 serum samples 52 DNA sample 52 saliva sample 51 DNA swab 49 swabs 49 seminal fluid 48 DNA swabs 47 samples 47 DNA 47 Tissue samples 47 microscopic examination 47 specimens 46 mouth swab 46 urine samples 46 sperms 45 saliva 45 biopsies 45 ovarian tissue 45 oocytes 45 sperm 43 IVF cycles 42 Semen 42 biopsied 42 fetal tissue 42 spermatozoa 42 gunpowder residue 41 cheek swab 41 mouse embryos 41 vaginally 41 pubic hair 41 swab 41 gunshot residue 40 tissue 40 pelvic exam 40 DNA testing 40 bloodstained clothes 40 stool samples 40 ovary 40 autopsied 40 blood stains 40 cadavers 39 histology 39 needle biopsy 39 scrapings 39 embryos 39 cotton swabs 39 transplantations 39 macaque monkeys 38 fertilized embryos 38 fetus 38 fingerprints 38 ovaries 38 hairs 38 undergoing IVF 38 fertilized eggs 38 liver biopsy 38 tissues 38 cadaver 38 blood platelets 38 specimen 38 latex gloves 38 follicles 38 bloodstains 38 biopsy 38 gene expression profiles 38 ova 38 DNA profiling 38 histopathology 38 evidence 38 serology 38 prostate tissue 37 blood splatters 37 menstrual blood 37 blood 37 Genotyping 37 testes 37 sexual intercourse 37 mitochondrial DNA 37 germ cells 37 rectal exam 37 specific antigen 37 criminalist 37 Forensic experts 36 corpses 36 amniocentesis 36 bone marrow stem cells 36 post mortem examinations 36 diseased tissue 36 ejaculate 36 ejaculated 36 bloodstain 36 oocyte 36 fetuses 36 boosting hormone EPO 36 forensic 36 antibodies