Hygienic recommendations for a school studies regimen for children of the age of 6 (experimental teaching)

Popova, N.M.; Zubkova, V.M.; Netopina, S.A.

Gigiena i Sanitariia 3: 53-56

1978


ISSN/ISBN: 0016-9900
PMID: 640411
Document Number: 135225

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