Antisynthetase syndrome complicating the course of established case with rheumatoid arthritis: A rare and under-recognized overlapping disease Yasser Emad; Yasser Ragab; Magdy Abd-Elsalam; Johannes J. Rasker;

Autoantibodies to extractable nuclear antigens (ENAs) pattern in rheumatoid arthritis patients: Relevance and clinical implications Yasser Emad; Yasser Ragab; Nevin Hammam; Nashwa El-Shaarawy; Ossama Ibrahim; Rania M. Gamal; Magdy Abd-Elsalam; Reem H.A. Mohammed; Mona Hawass; Johannes J. Rasker;

Can we predict the risk factors for switching due to ineffectiveness in the first year of therapy with bDMARD in patients with rheumatoid arthritis? Ana Martins; Sofia Pimenta; Daniela Oliveira; Rafaela Nicolau; Alexandra Bernardo; Teresa Martins Rocha; Lúcia Costa; Miguel Bernardes;