Anti-neutrophil cytoplasmic auto-antibodies (ANCA) in ulcerative colitis (UC): no relationship with disease activity. Reumaux D, Colombel JF, Masy E, Duclos B, Heresbach D, Belaïche J, Cortot A, Duthilleul P (Inflamm Bowel Dis. 2000 Nov;6(4):270-4 – PMID: 11149558) https://pubmed.ncbi.nlm.nih.gov/11149558/