| Validating the 8 CPCSSN case definitions for chronic disease surveillance in a primary care database of electronic health records T Williamson, ME Green, R Birtwhistle, S Khan, S Garies, ST Wong, ... The Annals of Family Medicine 12 (4), 367-372, 2014 | 139 | 2014 |
| Emergency medical services response time and mortality in an urban setting IE Blanchard, CJ Doig, BE Hagel, AR Anton, DA Zygun, JB Kortbeek, ... Prehospital Emergency Care 16 (1), 142-151, 2012 | 118 | 2012 |
| Registry-based randomized controlled trials-what are the advantages, challenges, and areas for future research? G Li, TT Sajobi, BK Menon, L Korngut, M Lowerison, M James, SB Wilton, ... Journal of clinical epidemiology 80, 16-24, 2016 | 103 | 2016 |
| Drip and Ship Versus Direct to Comprehensive Stroke Center: Conditional Probability Modeling. JK Holodinsky, TS Williamson, N Kamal, D Mayank, MD Hill, M Goyal Stroke, 2016 | 94 | 2016 |
| Transobturator tape compared with tension-free vaginal tape for stress incontinence: a randomized controlled trial S Ross, M Robert, C Swaby, L Dederer, D Lier, S Tang, P Brasher, ... Obstetrics & Gynecology 114 (6), 1287-1294, 2009 | 91 | 2009 |
| Log-binomial models: exploring failed convergence T Williamson, M Eliasziw, GH Fick Emerging themes in epidemiology 10 (1), 1-10, 2013 | 88 | 2013 |
| The Safety of Yellow Fever Vaccine 17D or 17DD in Children, Pregnant Women, HIV+ Individuals, and Older Persons: Systematic Review RE Thomas, DL Lorenzetti, W Spragins, D Jackson, T Williamson The American Journal of Tropical Medicine and Hygiene 86 (2), 359-372, 2012 | 88 | 2012 |
| Active and passive surveillance of yellow fever vaccine 17D or 17DD-associated serious adverse events: systematic review RE Thomas, DL Lorenzetti, W Spragins, D Jackson, T Williamson Vaccine 29 (28), 4544-4555, 2011 | 84 | 2011 |
| Prevalence and management of osteoarthritis in primary care: an epidemiologic cohort study from the Canadian Primary Care Sentinel Surveillance Network R Birtwhistle, R Morkem, G Peat, T Williamson, ME Green, S Khan, ... CMAJ Open 3 (3), E270-E275, 2015 | 65 | 2015 |
| Modeling stroke patient transport for all patients with suspected large-vessel occlusion JK Holodinsky, TS Williamson, AM Demchuk, H Zhao, L Zhu, MJ Francis, ... JAMA neurology 75 (12), 1477-1486, 2018 | 64 | 2018 |
| Representativeness of patients and providers in the Canadian Primary Care Sentinel Surveillance Network: a cross-sectional study JA Queenan, T Williamson, S Khan, N Drummond, S Garies, R Morkem, ... CMAJ open 4 (1), E28, 2016 | 64 | 2016 |
| Validation of the diagnostic algorithms for 5 chronic conditions in the Canadian Primary Care Sentinel Surveillance Network (CPCSSN): a Kingston Practice-based Research Network … A Kadhim-Saleh, M Green, T Williamson, D Hunter, R Birtwhistle The Journal of the American Board of Family Medicine 26 (2), 159-167, 2013 | 64 | 2013 |
| From patient care to research: a validation study examining the factors contributing to data quality in a primary care electronic medical record database N Coleman, G Halas, W Peeler, N Casaclang, T Williamson, A Katz BMC family practice 16 (1), 1-8, 2015 | 63 | 2015 |
| Prevalence and epidemiology of diabetes in Canadian primary care practices: a report from the Canadian Primary Care Sentinel Surveillance Network M Greiver, T Williamson, D Barber, R Birtwhistle, B Aliarzadeh, S Khan, ... Canadian Journal of Diabetes 38 (3), 179-185, 2014 | 63 | 2014 |
| High rabbit-antihuman thymocyte globulin levels are associated with low likelihood of graft-vs-host disease and high likelihood of posttransplant lymphoproliferative disorder PJ Podgorny, A Ugarte-Torres, Y Liu, TS Williamson, JA Russell, J Storek Biology of Blood and Marrow Transplantation 16 (7), 915-926, 2010 | 55 | 2010 |
| Donor serostatus has an impact on cytomegalovirus-specific immunity, cytomegaloviral disease incidence, and survival in seropositive hematopoietic cell transplant recipients A Ugarte-Torres, M Hoegh-Petersen, Y Liu, F Zhou, TS Williamson, ... Biology of Blood and Marrow Transplantation 17 (4), 574-585, 2011 | 53 | 2011 |
| Primary care electronic medical records: a new data source for research in Canada R Birtwhistle, T Williamson Cmaj 187 (4), 239-240, 2015 | 46 | 2015 |
| Primary care electronic medical records: a new data source for research in Canada R Birtwhistle, T Williamson Cmaj 187 (4), 239-240, 2015 | 46 | 2015 |
| Immune cell subset counts associated with graft-versus-host disease PJ Podgorny, Y Liu, P Dharmani-Khan, LM Pratt, K Jamani, J Luider, ... Biology of Blood and Marrow Transplantation 20 (4), 450-462, 2014 | 46 | 2014 |
| The diagnosis of depression and its treatment in Canadian primary care practices: an epidemiological study ST Wong, D Manca, D Barber, R Morkem, S Khan, J Kotecha, ... CMAJ open 2 (4), E337, 2014 | 45 | 2014 |
Richard BirtwhistleProfessor of Family Medicine and Public Health Sciences, Queen's UniversityVerified email at dfm.queensu.ca
