@article{farouk_mansour_rahman_mostafa_shamy_zarouk_2009,  title={Effect of the human leukocyte antigen HLA-DRB1 and anti-cyclic citrullinated peptide on the outcome of rheumatoid arthritis patients},  volume={42},  ISSN={0100-879X},  url={https://doi.org/10.1590/S0100-879X2009000900010},  DOI={10.1590/S0100-879X2009000900010},  number={9},  journal={Brazilian Journal of Medical and Biological Research},  publisher={Associação Brasileira de Divulgação Científica},  author={Farouk, H.M. and Mansour, H.E. and Rahman, S.A. and Mostafa, A.A. and Shamy, H.A. and Zarouk, W.A.},  year={2009},  month={Sep},  pages={831–838} }