00523nas a2200169   4500000000100000008004100001100001700042700001400059700001900073700001400092700001600106700001400122700001600136700001400152245017300166022001400339       2020                            d1 aJ. Blackwell1 aS. Saxena1 aN. Jayasooriya1 aA. Bottle1 aI. Petersen1 aM. Hotopf1 aC. Alexakis1 aR. Pollok00aPrevalence and duration of gastrointestinal symptoms before diagnosis of Inflammatory Bowel Disease and predictors of timely specialist review: a population-based study  a1873-9946