Renal arterial resistive index as a prognostic marker in lupus nephritis patients Samir Kamal Abdul Hamid; Ashraf Elshazly; Yasser Abd Elmawgood Faisal; Kawsar Abdel Halim M.saleh; Mai Mostafa Aly;

Evolution of diagnosis and treatment for lupus nephritis in Spain Clara Moriano; David Bellido-Pastrana; Carmen San Román Gutiérrez; Eva Rodríguez;

Recommendations for the diagnosis and treatment of anti-neutrophil cytoplasmic autoantibody associated vasculitis Enrique Morales; Iñigo Rúa-Figueroa; José Luis Callejas Rubio; Ana Ávila Bernabéu; Ricardo Blanco Alonso; María C. Cid Xutgla; Gema Fernández Juárez; Natalia Mena-Vázquez; Juan José Ríos Blanco; Joaquín Manrique Escola; F. Javier Narváez García; Bernardo Sopeña; Luis F. Quintana Porras; Susana Romero-Yuste; Roser Solans Laqué;