Oral fluid collection article
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United States of America Patent
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-
Apr 4, 1989
Grant Date -
N/A
app pub date -
Jun 23, 1987
filing date -
Jun 23, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention is an oral fluid collection article for placement in the buccal cavity of an individual for the collection and fittering of a saliva fluid. The collection article has a semi-permable membrane container enclosing an osmotic substance means.
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