[Diagnosis and vitamin B12 deficiency].
Hvas
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D015415:Biomarkers / Q000097:blood*; D006710:Homocysteine / Q000097:blood; D006801:Humans; D008764:Methylmalonic Acid / Q000097:blood; D014806:Vitamin B 12 Deficiency / Q000097:blood* / Q000175:diagnosis*
D015415:Biomarkers; D006710:Homocysteine; D008764:Methylmalonic Acid