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4850851 | Dinerman | Jul 1989 | A |
5035605 | Dinerman et al. | Jul 1991 | A |
5044926 | Dinerman et al. | Sep 1991 | A |
5112213 | Oas | May 1992 | A |
5164207 | Durina | Nov 1992 | A |
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5240398 | Akaguma et al. | Aug 1993 | A |
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Entry |
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