Differential associations of HLA-DR antigens with rheumatoid arthritis (RA) in Basques: High frequency of DR1 and DR10 and lack of association with HLA-DR4 or any of its subtypes
Servicio de Inmunologia y;Reumatologia, Hospital Ntra Sra, de Arńanzazu, San Sebastian, Guipúzcoa;Servicio de Inmunologia, Hospital 12 de Octubre, Madrid, Spain