title: Seasonal variations in the choline content of human serum.
authors.forename: J U
authors.initials: JU
authors.lastname: SCHLEGEL
mesh_terms: D002794:Choline / Q000031:analogs & derivatives; D006801:Humans; D012621:Seasons; D044967:Serum
chemical_list: D002794:Choline
keywords: BLOOD/serum; CHOLINE AND CHOLINE DERIVATIVES