title: Cobalamin deficiency in elderly patients.
authors.forename: Joel G
authors.initials: JG
authors.lastname: Ray
authors.forename: David E C
authors.initials: DE
authors.lastname: Cole
mesh_terms: D000368:Aged; D000465:Algorithms; D002170:Canada; D005492:Folic Acid; D005527:Food, Fortified; D006710:Homocysteine / Q000097:blood*; D006801:Humans; D008764:Methylmalonic Acid / Q000097:blood; D014805:Vitamin B 12 / Q000097:blood; D014806:Vitamin B 12 Deficiency / Q000175:diagnosis*
chemical_list: D006710:Homocysteine; D008764:Methylmalonic Acid; D005492:Folic Acid; D014805:Vitamin B 12