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Mathematics, 20.06.2020 17:57 nunuskies
Investigators tested the hypothesis that chemicals in fertilizers increases the risk of cancer. They formed a cohort of employees of a fertilizer manufacturing factory. The employees who worked with chemicals used in the manufacturing process were the exposed group, while clerical workers constituted the unexposed group. They then observed these workers for 10 years to assess the incidence of cancers. This study design is an example of
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Investigators tested the hypothesis that chemicals in fertilizers increases the risk of cancer. They...
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