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Summary of screen hits
| Screen | No. screeneda | No. primary hitsb | No. final hitsc |
|---|---|---|---|
| Screen A | 18,332 | 295 | 24 |
| Screen B (F1) | 67,079 | 1,266 | 73 |
| Screen B (F2) | 8,821 | 366 | 171 |
| Totals | 94,232 | 1,927 | 268 |
Number of critical class (screen A, Psn143/+; screen B, Psn9/Psn143) flies screened.
Number of initial modifiers recovered during primary screening.
Number of viable, fertile modifiers that retested.
