Doug Helmersen

Outcomes from pandemic influenza A H1N1 infection in recipients of solid-organ transplants: a multicentre cohort study

Deepali Kumar, Marian G. Michaels, Michele I. Morris et al. · The Lancet Infectious Diseases · 2010 · 356 citations · Full text

Vaccination, Transplantation, Solid Organ Transplantation +4

Diagnostic Evaluation and Management of Chronic Thromboembolic Pulmonary Hypertension: A Clinical Practice Guideline

Sanjay Mehta, Doug Helmersen, Steeve Provencher et al. · Canadian Respiratory Journal · 2010 · 83 citations · Full text

Mortality trends in pulmonary arterial hypertension in Canada: a temporal analysis of survival per ESC/ERS guideline era

Jason G.E. Zelt, Jordan Sugarman, Jason Weatherald et al. · European Respiratory Journal · 2021 · 61 citations · Full text

A Prospective Evaluation of the Diagnostic Accuracy of the Physical Examination for Pulmonary Hypertension

Michael Braganza, Jeffrey Shaw, Kevin Solverson et al. · CHEST Journal · 2019 · 46 citations

Hypertension, Pulmonary Arterial Hypertension, Cardiovascular Disease +11

Diagnosis of chronic thromboembolic pulmonary hypertension: A Canadian Thoracic Society clinical practice guideline update

Doug Helmersen, Steeve Provencher, Andrew M. Hirsch et al. · Canadian Journal of Respiratory Critical Care and Sleep Medicine · 2019 · 27 citations · Full text