Frequency of ANA/DFS70 in relatives of patients with rheumatoid arthritis compared to patients with rheumatoid arthritis and a healthy population, and its association with health status Verónica Romero-Álvarez; Diana Alejandra Acero-Molina; Adriana Beltrán-Ostos; Juan Manuel Bello-Gualteros; Consuelo Romero-Sánchez;

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

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;