JIA affected sibling pairs present high correlation for ANA and ILAR category - Alessio M; Lepore L; Calcagno G; Trauzeddel R; Falcini F; Cortis E; Alpigiani MG; Rumba I; Dressler F; Balogh Z; Zulian F; Pruunsild C; et al. (BMC, 2011)