title: [The value of vitamin B 12 determinations as a routine study method].
mesh_terms: D000368:Aged; D003704:Dementia / Q000150:complications*; D006801:Humans; D008722:Methods; D014805:Vitamin B 12 / Q000097:blood*; D014806:Vitamin B 12 Deficiency / Q000150:complications / Q000175:diagnosis*
chemical_list: D014805:Vitamin B 12
vernacular_title: De waarde van vitamine B12-bepalingen als routinemethode van onderzoek.