title: Gas chromatography of choline in high potency multiple vitamin tablets and liver concentrates.
mesh_terms: D002794:Choline / Q000032:analysis*; D002849:Chromatography, Gas; D006863:Hydrogen-Ion Concentration; D008110:Liver Extracts / Q000032:analysis*; D008722:Methods; D013607:Tablets / Q000032:analysis; D014815:Vitamins / Q000032:analysis*
chemical_list: D008110:Liver Extracts; D013607:Tablets; D014815:Vitamins; D002794:Choline