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D352510 | Sutton et al. | Nov 1994 | |
D400453 | Holland | Nov 1998 | |
4058150 | Pennington | Nov 1977 | |
4630656 | Collins | Dec 1986 | |
4687383 | Shimomura et al. | Aug 1987 | |
5452751 | Engler, III et al. | Sep 1995 | |
5617909 | Duginske | Apr 1997 |