Physiological and hygienic evaluation of the agricultural work of schoolchildren

Kalaĭkova, P.D.; Georgiev, V.I.; Semova, N.G.; Strashimirova, T.M.; Nedeva, V.V.

Gigiena i Sanitariia 3: 61-63

1982


ISSN/ISBN: 0016-9900
PMID: 7084719
Document Number: 193410

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