00389nas a2200133   4500000000100000008004100001100001400042700001600056700001200072700002000084700001300104245012400117022001400241       2018                            d1 aR. Joseph1 aT. van Staa1 aM. Lunt1 aM. Abrahamowicz1 aW. Dixon00aExposure measurement error when assessing current glucocorticoid use using UK primary care electronic prescription data  a1053-8569