title: High-performance liquid chromatographic determination of vitamin D and metabolites.
mesh_terms: D002762:Cholecalciferol / Q000097:blood*; D002851:Chromatography, High Pressure Liquid / Q000379:methods; D004872:Ergocalciferols / Q000097:blood*; D006801:Humans; D008832:Microchemistry; D013329:Structure-Activity Relationship; D014807:Vitamin D / Q000378:metabolism
chemical_list: D004872:Ergocalciferols; D014807:Vitamin D; D002762:Cholecalciferol