title: Tests for pernicious anemia: serum vitamin B12 assay.
mesh_terms: D000328:Adult; D000368:Aged; D000752:Anemia, Pernicious / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011933:Reagent Kits, Diagnostic; D012546:Schilling Test; D014805:Vitamin B 12 / Q000097:blood*
chemical_list: D011933:Reagent Kits, Diagnostic; D014805:Vitamin B 12