Evidence for overuse of cardiovascular healthcare services in high-income countries: protocol for a systematic review and meta-analysis.
Derek J RobertsEmma E SypesSudhir K NagpalDaniel NivenMamas Andreas MamasDaniel I McIsaacCarl van WalravenRisa ShorrIan D GrahamHenry Thomas StelfoxJeremy GrimshawPublished in: BMJ open (2022)
CRD42021257490.