| 摘要 |
<p>A novel test card adapted for the performance of an immunochemical, diagnostic or serological test upon its surface, and which is provided with an end flap which may be folded over to enclose and preserve the test results. The flap portion is provided with circular openings which when folded over, are in registry with circular test areas on the surface of the card, permitting visual observation of the test results. The card may be used, for example, for blood group typing.</p> |
