AB1424 CLINICAL VARIABILITY IN PATIENTS DIAGNOSED OF JUVENILE IDIOPATHIC ARTHRITIS WITH POSITIVE AND NEGATIVE ANTINUCLEAR ANTIBODIES (ANA)
A. M. Torrat Noves, J. Ivorra Cortés, E. Grau García, D. Ramos Castro, L. Mas Sanchez, C. Riesco Barcena, P. Muñoz Martinez, A. V. Huaylla Quispe, S. Leal Rodriguez, J. E. Oller Rodríguez, E. Vicens Bernabeu, F. Ortiz-Sanjuán, I. Martínez Cordellat, L. Gonzalez Puig, R. Negueroles Albuixech, C. Nájera Herranz, I. Cánovas Olmos, E. Tovar-Sugrañes, H. Charia, I. Calvo, B. Lopez-Montesinos, J. A. Román Ivorra
Annals of the Rheumatic Diseases Jun 2023, 82 (Suppl 1) 1940-1941; DOI: 10.1136/annrheumdis-2023-eular.5203