title: A simple thin layer chromatographic identification of choline in human semen.
mesh_terms: D000328:Adult; D000818:Animals; D002417:Cattle; D002794:Choline / Q000032:analysis*; D002855:Chromatography, Thin Layer / Q000379:methods*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012661:Semen / Q000032:analysis*; D012742:Sex Offenses / Q000331:legislation & jurisprudence*
chemical_list: D002794:Choline