Q:

A total of 300 newly diagnosed patients with laryngeal cancer are allocated to treatment with either surgical excision alone or surgical excision plus radiation treatment. What is the study design?

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A total of 300 newly diagnosed patients with laryngeal cancer are allocated to treatment with either surgical excision alone or surgical excision plus radiation treatment. What is the study design? 


  1. Case series report
  2. Case-control study
  3. Clinical trial
  4. Cohort study
  5. Case report

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c) Clinical trial

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