Canadian Broadcasting Corporation
Canadian Broadcasting Corporation
Sciencefilm
Sciencefilm
Scott Films Limited
Scott Films Limited
University of Ottawa Cardiac Unit / Ottawa Civic Hospital
University of Ottawa Cardiac Unit / Ottawa Civic Hospital
Société médicale de Montréal
Société médicale de Montréal
Society of Academic Anesthesists
Society of Academic Anesthesists
Southeastern Surgical Congress
Southeastern Surgical Congress
Suffolk County Heart Association
Suffolk County Heart Association
Society for Vascular Surgery
Society for Vascular Surgery
Society of Thoracic Surgeons
Society of Thoracic Surgeons