00488nas a2200145   4500000000100000000000100001008004100002100001500043700001200058700001200070245022800082300001100310490000700321022001400328       2016                            d1 aC. Canavan1 aJ. West1 aT. Card00aCalculating Total Health Service Utilisation and Costs from Routinely Collected Electronic Health Records Using the Example of Patients with Irritable Bowel Syndrome Before and After Their First Gastroenterology Appointment  a181-940 v34  a1170-7690