Evidence for overuse of cardiovascular healthcare services in high-income countries: protocol for a systematic review and meta-analysis
Derek J Roberts, Emma E Sypes, Sudhir K Nagpal, Daniel Niven, Mamas Mamas, Daniel I McIsaac, Carl van Walraven, Risa Shorr, Ian D Graham, Henry Thomas Stelfox, Jeremy Grimshaw
BMJ Open Apr 2022, 12 (4) e053920; DOI: 10.1136/bmjopen-2021-053920