| abstract |
A test stick, usable in clinical assays, is adapted to be inserted in a test tube that contains antigen solution. The stick comprises: n (a) an elongated plastic member having a test portion adapted to be inserted into said solution in the test tube, n (b) said test portion defining surface area at least about as great as the test tube bore surface extending about said test portion, n (c) said test portion adapted to be coated with antibody to contact said solution. |