Hygienic evaluation of the study regimen for adolescents in secondary vocational and technical schools for agricultural machinery operators

Iakovleva, I.N.; Grishko, F.I.; Ratushnaia, A.N.; Nagornaia, A.M.; Timofeeva, N.T.

Gigiena i Sanitariia 8: 40-44

1976


ISSN/ISBN: 0016-9900
PMID: 992392
Document Number: 105258

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