00571nas a2200217   4500000000100000000000100001008004100002100001900043700001600062700001500078700001400093700001600107700001300123700001600136700001200152700001500164245013900179300001400318490000700332022001400339       2021                            d1 aS. Lay-Flurrie1 aJ. Sheppard1 aR. Stevens1 aC. Mallen1 aC. Heneghan1 aF. Hobbs1 aB. Williams1 aJ. Mant1 aR. McManus00aImpact of changes to national guidelines on hypertension-related workload: an interrupted time series analysis in English primary care  ae296-e3020 v71  a0960-1643