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4936665 | Whitney | Jun 1990 | |
5156943 | Whitney | Oct 1992 | |
5170207 | Tezuka et al. | Dec 1992 | |
5218471 | Swanson et al. | Jun 1993 | |
5227915 | Grossinger et al. | Jul 1993 | |
5309283 | Kreitzer | May 1994 | |
5353156 | Chung | Oct 1994 | |
5367405 | Sado | Nov 1994 | |
5386319 | Whitney | Jan 1995 |
Entry |
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