Can primary care research be conducted more efficiently using routinely reported practice-level data: a cluster randomised controlled trial conducted in England?
Peter S BlairJenny IngramClare ClementGrace YoungPenny SeumeJodi TaylorChristie CabralPatricia Jane LucasElizabeth BeechJeremy HorwoodPadraig DixonMartin C GullifordNick A FrancisSam T CreavinAthene LaneScott BevanAlastair D HayPublished in: BMJ open (2022)
ISRCTN11405239.