title: Clinical inquiries. How do we evaluate a marginally low B12 level?
authors.affiliation: Department of Family and Community Medicine, University of Missouri-Columbia School of Medicine, USA.
authors.forename: David D
authors.initials: DD
authors.lastname: Cravens
authors.forename: Joan
authors.initials: J
authors.lastname: Nashelsky
authors.forename: Robert C
authors.initials: RC
authors.lastname: Oh
mesh_terms: D005069:Evaluation Studies as Topic; D019317:Evidence-Based Medicine; D005194:Family Practice; D005260:Female; D006710:Homocysteine / Q000097:blood; D006801:Humans; D008297:Male; D008764:Methylmalonic Acid / Q000097:blood; D011379:Prognosis; D012307:Risk Factors; D012680:Sensitivity and Specificity; D012720:Severity of Illness Index; D016896:Treatment Outcome; D014805:Vitamin B 12 / Q000097:blood* / Q000627:therapeutic use; D014806:Vitamin B 12 Deficiency / Q000175:diagnosis* / Q000188:drug therapy*
chemical_list: D006710:Homocysteine; D008764:Methylmalonic Acid; D014805:Vitamin B 12