Clinical practice. Vitamin B12 deficiency.
N Engl J Med. 2013 Jan 10;368(2):149-60
Authors: Stabler SP
PMID: 23301732 [PubMed - in process]
Clinical practice. Vitamin B12 deficiency.
N Engl J Med. 2013 Jan 10;368(2):149-60
Authors: Stabler SP
PMID: 23301732 [PubMed - in process]