00530nas a2200205   4500000000100000008004100001100001700042700001600059700001500075700002100090700001600111700001300127700001400140700001700154700001600171700001700187700001700204245008900221022001400310       2019                            d1 aH. Strongman1 aR. Williams1 aW. Meeraus1 aT. Murray-Thomas1 aJ. Campbell1 aL. Carty1 aD. Dedman1 aA. Gallagher1 aJ. Oyinlola1 aA. Kousoulis1 aJ. Valentine00aLimitations for health research with restricted data collection from UK primary care  a1053-8569