00380nas a2200145   4500000000100000000000100001008004100002100001700043700001200060700001200072245011700084300001100201490000800212022001400220       2010                            d1 aR. Armstrong1 aJ. West1 aT. Card00aRisk of cancer in inflammatory bowel disease treated with azathioprine: a UK population-based case-control study  a1604-90 v105  a0002-9270