“HLA polymorphism and early rheumatoid arthritis in the Moroccan population” [Joint Bone Spine 2008; 75: 554–558]

‘‘HLA polymorphism and early rheumatoid arthritis in the Moroccan population’’ [Joint Bone Spine 2008; 75: 554e558] Ouafa Atouf *, Karima Benbouazza , Chehrazade Brick , Fatiha Bzami , Naima Bennani , Bouchra Amine , Najia Hajjaj-Hassouni , Malika Essakali a a Service de transfusion sanguine et d’hemovigilance, Unite d’Immunologie, CHU Ibn Sina, Rabat, Moroco b Service de Rhumatologie, Hopital El Ayachi, CHU Ibn Sina, Rabat, Morocco