Audemard-Verger, A., Pillebout, E., Amoura, Z., Cacoub, P., Jourde-Chiche, N., Lioger, B., Martis, N., Moulis, G., Rivière, E., Baldolli, A., Girard, C., Goutte, J., Gouellec, N. L., Raffray, L., Urbanski, G., Sanges, S., Maurier, F., Thervet, E., Aouba, A., Guillevin, L., Maillot, F., Terrier, B., & , (2020). gastrointestinal involvement in adult IgA vasculitis (Henoch-Schönlein purpura): updated picture from a French multicentre and retrospective series of 260 cases. Rheumatology, 59, 3050–3057. http://access.bl.uk/ark:/81055/vdc_100114899403.0x000018