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Puff topography is typically considered data about the subject exposure to the test product. As these data repesent represent information about study product exposure, the data is represeted represented in the Exposure (EX) domain. More informaion information on the Exposure domain is found here. Exposure Assessments During a Trial 

Puff toporgrapy topography is often measured uisng using Smoking Machines. Information about Devices are reperesnted represented using the SDTM Medical Devices DomianDomain.  These domains represent information about devices and not study subject or the trial itself.

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