Rheumatoid arthritis and pernicious anaemia.
D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000749:Anemia, Megaloblastic / Q000150:complications* / Q000276:immunology; D000752:Anemia, Pernicious / Q000150:complications* / Q000276:immunology; D000906:Antibodies / Q000032:analysis; D001172:Arthritis, Rheumatoid / Q000150:complications* / Q000276:immunology; D005260:Female; D005494:Folic Acid Deficiency / Q000150:complications / Q000276:immunology; D006801:Humans; D007437:Intrinsic Factor / Q000276:immunology; D008297:Male; D008875:Middle Aged; D014806:Vitamin B 12 Deficiency / Q000150:complications* / Q000276:immunology
D000906:Antibodies; D007437:Intrinsic Factor