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<strong>Pearly Whites: </strong> Sharla Dunville, a respiratory therapy student, participates in her lab at SAIT in Calgary on Thursday, Feb. 16, 2017. The respiratory therapy program trains students to assist physicians in diagnosing, treating and managing patients. They are also trained in resuscitation, ventilator management as well as oxygen and aerosol therapy. (Photo by Dawn Gibson/The Press)