ARN | precursor
| precursor | |
| gen. | forerunner |
| chem. engl. | precursor; key precursor |
| earth.sc. | precursor material |
| Spanish thesaurus | |||
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| Autoridad Regulatoria Nuclear (Аргентина ННатальЯ) | |||
| Acción Radical Nacionalista | |||
| ácido ribonucleico (ornella_chelyabinsk) | |||
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ARN : 53 phrases in 8 subjects |
| Chemistry | 2 |
| Genetics | 16 |
| Health care | 15 |
| Ichthyology | 1 |
| Life sciences | 6 |
| Medical | 11 |
| Research and development | 1 |
| Virology | 1 |