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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Case - control study is a type of -
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The correct answer is  . case control studies are generally called "retrospective studies"are used to test casual hypothesis.they are basically comparison studies.cases and controls must be compared with respect to known "confounding factors"other kind of analytical studies include coho study. ref;park&;s textbook of preventive and social medicine,22 nd edition,pg no 66