question archive 7) Which of the following best describes the retrospective design where subjects are sampled by disease status and is often used when the investigator is interested in rare diseases
7) Which of the following best describes the retrospective design where subjects are sampled by disease status and is often used when the investigator is interested in rare diseases
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7) Which of the following best describes the retrospective design where subjects are sampled by disease status and is often used when the investigator is interested in rare diseases.
A) intervention trial
B) case control study
C) retrospective cohort
D) ecologic study
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b
Step-by-step explanation
case control study would be the best design choice when investigator is interested in rare diseases.
