title: [Symptomatic vitamin B12 deficiency among the younger and middle aged--an overlooked problem].
authors.forename: M
authors.initials: M
authors.lastname: Lynov
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D014806:Vitamin B 12 Deficiency / Q000175:diagnosis*