HLA-DR antigens in alopecia areata

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A study of 13 American Caucasians with alopecia areata of the universalis or totalis pattern showed a trend of increased frequency of HLA-DR4 and HLA-DR5. The association of HLA-DR4 and HLA-DR5 with alopecia areata was independent of the pattern of alopecia, age of onset, or the patient’s origin or sex.



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