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The examples below in this section illustrate various methods for displaying study product exposure data, as well as data that may be collected on the usage use of other nicotine sources.   Multiple These examples are provided to illustrate specific exposure based on how it was measured (e.g., by volume, by weight or , number of product consumed).

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In this example, the EC domain is not used by the sposnor applicant to represent collected exposure. Expoure was Exposure is represented based on the volume of the e-nicotine liquid cartridges. 

In this example, both the EC and EX domains are used.   Exposure was is based on the weight of the e-nicotine liquid cartridges. 

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In this example, subjects were exposed to mulitple multiple study products. The actual dates and times of use for each product is are represented. 

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