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Accrued expenses consisted of the following:
| October 31, | ||||||||
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| 2001 | 2000 | |||||||
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| In thousands | ||||||||
| Settlement | $ | — | $ | 3,508 | ||||
| Clinical trials | 662 | 3,156 | ||||||
| Preparation of Biologic License Application | 306 | — | ||||||
| Accrued payroll and related employee expenses | 1,365 | 520 | ||||||
| Accrued vacation | 398 | 243 | ||||||
| Other | 2,218 | 1,801 | ||||||
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| $ | 4,949 | $ | 9,228 | |||||
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