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| PBX-Gruppensuche; PBX-Suchen | |||
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recherche de groupe : 43 phrases in 12 subjects |
| Communications | 9 |
| Education | 1 |
| Environment | 2 |
| General | 18 |
| Health care | 1 |
| Industry | 1 |
| International Monetary Fund | 1 |
| Law | 2 |
| Microsoft | 2 |
| Natural sciences | 2 |
| Nuclear physics | 1 |
| Social science | 3 |