HLA-DR4 is a marker of -: (A) Rheumatoid arthritis, (B) Sarcoidosis, (C) Sero-negative gouty arthritis, (D) Psoriasis
Answer is A. Ans. is 'a' i.e., Rheumatoid arthritis DR4 is associated witho Extra-articular rheumatoid arthritiso Hydralazine-induced femal systemic lupus erythematosuso Pemphigoid gestationaliso Pemphigus foliaceuso Obstructive hypertrophic cardiomyopathyo IgA nephropathy