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____________________ RFID tags do not have their own power supply.Instead,the tiny electrical current induced in the antenna by the incoming signal from the transceiver provides enough power for the tag to send a response.
Case-Control Study
A study that compares individuals with a particular condition (cases) to those without (controls) to identify factors that may contribute to the condition.
Exposure Status
The classification or measurement of an individual's or group's contact with a specific environmental factor or agent.
Risk
refers to the probability of occurrence of harm or loss associated with an action or event.
Epidemiologic Study
Research investigating the distribution and determinants of health and diseases in populations.
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