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Critical Appraisal Of Epidemiological Studies And Clinical Trials,New Claudio Renowned Egyptologist Toby Wilkinson LeadsThis Book Presents A Logical System Of Critical Appraisal, To Allow Readers To Evaluate Studies And To Carry Out Their Own Studies More Effectively. This System Emphasizes The Central Importance Of Cause And Effect Relationships. Its Great Strength Is That It Is Applicable To A Wide Range Of Issues, And Both To Intervention Trials And Observational Studies. This System Unifies The Often Different Approaches Used In Epidemiology, Health Services