Differences in the Volume of Pharmaceutical Advertisements between Print General Medical Journals

• Jennifer Gettings,

  Affiliation Keenan Research Centre in the Li Ka Shing Knowledge Institute, St Michael's Hospital, Toronto, Ontario, Canada

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• Braden O'Neill,

  Affiliations Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom, Undergraduate Medical Education, Faculty of Medicine, University of Calgary, Calgary, Alberta, Canada

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• Dave A. Chokshi,

  Affiliation United States Department of Veterans Affairs, Washington, District of Columbia, United States of America

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• James A. Colbert,

  Affiliations Division of Medical Communications, Brigham and Women's Hospital, Boston, Massachusetts, United States of America, Department of Medicine, Newton-Wellesley Hospital, Boston, Massachusetts, United States of America

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• Peter Gill,

  Affiliations Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom, Undergraduate Medical Education, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada

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• Gerald Lebovic,

  Affiliations Applied Health Research Centre, Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Ontario, Canada, Assistant Professor, Institute for Health Policy Management and Evaluation, University of Toronto, Toronto, Ontario, Canada

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• Joel Lexchin,

  Affiliations School of Health Policy and Management, York University, Toronto, Ontario, Canada, Emergency Department, University Health Network, Toronto, Ontario, Canada, Department of Family and Community Medicine, University of Toronto, Toronto, Ontario, Canada

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• Navindra Persaud

  * E-mail: nav.persaud@utoronto.ca

  Affiliations Keenan Research Centre in the Li Ka Shing Knowledge Institute, St Michael's Hospital, Toronto, Ontario, Canada, Department of Family and Community Medicine, University of Toronto, Toronto, Ontario, Canada, Department of Family and Community Medicine, St Michael's Hospital, Toronto, Ontario, Canada

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