Richard Birtwhistle

Pragmatic controlled clinical trials in primary care: the struggle between external and internal validity

Marshall Godwin, Lucia Rühland, Ian Casson et al. · BMC Medical Research Methodology · 2003 · 492 citations · Full text

Canadian Task Force on Preventive Health Care

We’re back, Richard Birtwhistle, Ccfp Fcfp et al. · 2012 · 306 citations

Canadian Task Force, Health Protection, Primary Care +17

Validating the 8 CPCSSN Case Definitions for Chronic Disease Surveillance in a Primary Care Database of Electronic Health Records

Tyler Williamson, Michael Green, Richard Birtwhistle et al. · The Annals of Family Medicine · 2014 · 243 citations · Full text

Building a Pan-Canadian Primary Care Sentinel Surveillance Network: Initial Development and Moving Forward

Richard Birtwhistle, Karim Keshavjee, Anita Lambert-Lanning et al. · The Journal of the American Board of Family Medicine · 2009 · 137 citations · Full text

Family Medicine, Initial Development, Remote Patient Monitoring +20

Representativeness of patients and providers in the Canadian Primary Care Sentinel Surveillance Network: a cross-sectional study

John Queenan, Tyler Williamson, Shahriar Khan et al. · CMAJ Open · 2016 · 125 citations · Full text