title: IMPROVED METHOD FOR THE EXTRACTION OF VITAMIN B 12 FROM SERUM.
mesh_terms: D000752:Anemia, Pernicious; D001681:Biological Assay; D001774:Blood Chemical Analysis; D045728:Corrinoids; D004063:Digestion; D005055:Euglena; D006358:Hot Temperature; D006801:Humans; D007938:Leukemia; D007951:Leukemia, Myeloid; D010206:Papain; D012106:Research; D014805:Vitamin B 12; D014806:Vitamin B 12 Deficiency
chemical_list: D045728:Corrinoids; D010206:Papain; D014805:Vitamin B 12
keywords: ANEMIA, PERNICIOUS; BIOLOGICAL ASSAY; BLOOD CHEMICAL ANALYSIS; DIGESTION; EUGLENA; EXPERIMENTAL LAB STUDY; HEAT; LEUKEMIA, MYELOCYTIC; PAPAIN; VITAMIN B 12; VITAMIN B 12 DEFICIENCY