Dhaouadi T, Sfar I, Abdelmoula L, Bardi R, Jendoubi-Ayed S, Makhlouf M, Aouadi H, Ben Abdallah T, Zouari R, Ayed K, Lakhoua-Gorgi Y. Association of specific amino acid sequence (QRRAA) of HLA-DRB1*0405 with rheumatoid arthritis in a Tunisian population. Arch Inst Pasteur Tunis. 2010;87(1-2):53–9. PMID: 21598828.