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4983966 | Grone et al. | Jan 1991 | |
5043933 | Boutaud et al. | Aug 1991 | |
5592517 | Camp et al. | Jan 1997 | |
5689449 | Saramaki et al. | Nov 1997 | |
5732002 | Lee et al. | Mar 1998 | |
5880973 | Gray et al. | Mar 1999 | |
5956494 | Girardeau, Jr. | Sep 1999 |
Entry |
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