title: SERUM VITAMIN B12 LEVELS IN AN ISOLATED ISLAND POPULATION.
mesh_terms: D000375:Aging; D001681:Biological Assay; D001774:Blood Chemical Analysis; D002590:Cestode Infections; D045728:Corrinoids; D005387:Finland; D006801:Humans; D062312:Islands; D013223:Statistics as Topic; D013548:Sweden; D014805:Vitamin B 12; D014806:Vitamin B 12 Deficiency
chemical_list: D045728:Corrinoids; D014805:Vitamin B 12
keywords: AGING; BIOLOGICAL ASSAY; BLOOD CHEMICAL ANALYSIS; CESTODE INFECTIONS; FINLAND; STATISTICS; SWEDEN; VITAMIN B 12; VITAMIN B 12 DEFICIENCY