00488nas a2200181 4500000000100000000000100001008004100002100001400043700001400057700001300071700001500084700001600099700001500115245014100130300001400271490000700285022001400292 2018 d1 aF. Pearce1 aP. Lanyon1 aR. Watts1 aM. Grainge1 aA. Abhishek1 aR. Hubbard00aNovel insights into the aetiology of granulomatosis with polyangiitis-a case-control study using the Clinical Practice Research Datalink a1002-10100 v57 a1462-0324