In a case-control study of flexibility and sports injury, the investigators looked at strength and skill as potential co-variables.
1.) what is the exposure?
2.) what is the outcome?
3.) did the investigators recruit participants based on flexibility or injury? how do you know?

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think about the doctor who treated the major and the speaker in the short story "in another country." put yourself in the shoes of the doctor, and based on what you read in the story, write what you think his thoughts about the major and the speaker would be. use the following vocabulary in your response and change the form of these words as needed: detached resign withered

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