title: Vitamin B12 deficiency among elderly patients an important diagnosis.
authors.affiliation: Abyad Medical Center & Middle-East Longevity Institute, Ain Wazein Comprehensive Program for the Elderly, Tripoli, Lebanon. aabyad@cyberia.net.lb
authors.forename: Abdulrazak
authors.initials: A
authors.lastname: Abyad
mesh_terms: D000368:Aged; D003704:Dementia / Q000097:blood; D006801:Humans; D008403:Mass Screening; D015995:Prevalence; D014806:Vitamin B 12 Deficiency / Q000175:diagnosis* / Q000453:epidemiology / Q000209:etiology / Q000628:therapy