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| endogenous; without obvious external cause | |||
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endogen : 36 phrases in 12 subjects |
| Earth sciences | 2 |
| Economics | 4 |
| Finances | 2 |
| General | 1 |
| Health care | 1 |
| Life sciences | 1 |
| Mathematics | 4 |
| Medical | 13 |
| Metallurgy | 4 |
| Natural sciences | 1 |
| Pharmacy and pharmacology | 1 |
| Statistics | 2 |