Sjögren's syndrome associated with vitamin B12 deficiency.
D000368:Aged; D000748:Anemia, Macrocytic / Q000150:complications* / Q000209:etiology; D001172:Arthritis, Rheumatoid / Q000150:complications; D005260:Female; D005750:Gastric Juice / Q000032:analysis; D006801:Humans; D008875:Middle Aged; D012859:Sjogren's Syndrome / Q000150:complications* / Q000209:etiology; D014805:Vitamin B 12 / Q000097:blood / Q000378:metabolism; D014806:Vitamin B 12 Deficiency / Q000150:complications*
D014805:Vitamin B 12