Risk of malignancy in patients treated for systemic necrotising vasculitis. Issue 3 (25th November 2019) - Lafarge, Antoine; Joseph, Adrien; Pagnoux, Christian; Puechal, Xavier; Cohen, Pacal; Samson, Maxime; Hamidou, Mohamed; Karras, Alexandre; Groh, Matthieu; Quemeneur, Thomas; Ribi, Camillo; Mouthon, Luc; et al.