| 摘要 |
A collection device (10), such as a mask, for collecting constituents of interest present in an airstream exhaled by a subject The collection device comprises a support member (12) mountable external to the nose and/or mouth of the subject, and at least one collection region (13) mounted to the support member (12) for collecting at least some of said constituents. The constituents are collected in a manner that allows subsequent analysis of the constituents. When the support member (12) is mounted over the nose and/or mouth of the subject, at least some of the exhaled airstream passes through the at least one collection region (13).
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