title: Identification of semen from criminal materials by means of paper chromatography--a forensic-medical study.
mesh_terms: D002794:Choline / Q000032:analysis; D002854:Chromatography, Paper; D005554:Forensic Medicine; D006801:Humans; D008297:Male; D012661:Semen / Q000032:analysis*; D014626:Vaginal Smears
chemical_list: D002794:Choline