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| D399757 | Riley et al. | Oct 1998 | |
| D402900 | Hanagata et al. | Dec 1998 | |
| D409502 | Muller | May 1999 | |
| D409924 | Kennedy | May 1999 | |
| D417158 | Krauss | Nov 1999 | |
| 5363351 | Carney | Nov 1994 |