HLA-DR4 is a marker of -
High-Yield Explanation
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