[Hygienic evaluation of the study regimen for adolescents in secondary vocational and technical schools for agricultural machinery operators].
| Autor: | Iakovleva IN, Grishko FI, Ratushnaia AN, Nagornaia AM, Timofeeva NT |
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| Jazyk: | ruština |
| Zdroj: | Gigiena i sanitariia [Gig Sanit] 1976 Aug (8), pp. 40-4. |
| Databáze: | MEDLINE |
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