Tim Ramsay

Extended follow-up and spatial analysis of the American Cancer Society study linking particulate air pollution and mortality.

Daniel Krewski, Michael Jerrett, Richard T Burnett et al. · PubMed · 2009 · 1K citations

American Cancer Society, Epidemiology, Population Exposure +14

Identifying unprovoked thromboembolism patients at low risk for recurrence who can discontinue anticoagulant therapy

Marc Rodger, Susan R. Kahn, Philip S. Wells et al. · Canadian Medical Association Journal · 2008 · 571 citations · Full text

External Validation of a Measurement Tool to Assess Systematic Reviews (AMSTAR)

Beverley Shea, L.M. Bouter, Joan Peterson et al. · PLoS ONE · 2007 · 570 citations · Full text

Effect of Fresh Red Blood Cell Transfusions on Clinical Outcomes in Premature, Very Low-Birth-Weight Infants

Dean Fergusson, Paul C. Hébert, Debora Hogan et al. · JAMA · 2012 · 434 citations

Acute Effects of Ambient Particulate Matter on Mortality in Europe and North America: Results from the APHENA Study

Evangelia Samoli, Roger D. Peng, Tim Ramsay et al. · Environmental Health Perspectives · 2008 · 414 citations · Full text