title: Gas--liquid chromatography of vitamin D and analogs.
mesh_terms: D002849:Chromatography, Gas / Q000379:methods; D005410:Flame Ionization; D007202:Indicators and Reagents; D007536:Isomerism; D014807:Vitamin D / Q000031:analogs & derivatives* / Q000032:analysis*
chemical_list: D007202:Indicators and Reagents; D014807:Vitamin D