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| an extended investigation was conducted to determine optimum ion-chamber geometry | |||
| enhanced study (LEkt) | |||
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| extension study (Patients who complete the main study will be eligible for inclusion in a double-blind, randomized, placebo-controlled, multicentre, 2-year extension study. sidotatv) | |||
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расширенное исследование : 13 phrases in 9 subjects |
| Clinical trial | 4 |
| Ecology | 1 |
| Makarov | 1 |
| Medical | 2 |
| Name of organization | 1 |
| Ophthalmology | 1 |
| Radioastronomy | 1 |
| Statistics | 1 |
| Toxicology | 1 |