The Value of a Negative Antinuclear Antibody (ANA) Test: An Often Forgotten Result Adrian Y.S. Lee;

Frequency of positive ANCA test in a population with clinical symptoms suggestive of autoimmune disease and the interference of ANA in its interpretation Consuelo Romero-Sánchez; Mario Benavides-Solarte; Isabel Galindo-Ibáñez; Ana Isabel Ospina-Caicedo; Viviana Parra-Izquierdo; Lorena Chila-Moreno; Amanda Villa; María Consuelo Casas-Gómez; Ignacio Angarita; Wilson Bautista-Molano; Verónica Romero-Álvarez; Juan Manuel Bello-Gualtero;

Nailfold capillaroscopy changes in systemic lupus erythematosus patients: Correlation with disease activity and anti-uridin1-ribonucleoprotein antibodies Yasmine S. Makarem; Zahraa I. Selim; Sherif Ismail; Amera Imam Mekkawy; Hanan Galal; Fatma H. El Nouby;