[Hygienic assessment of day sleep of 6-year-old children under school conditions].
Usanova
E P
EP
Leonov
A V
AV
Beliaeva
A V
AV
Baliasnikova
T V
TV
D002648:Child; D005069:Evaluation Studies as Topic; D006304:Health Status; D006801:Humans; D012426:Russia; D012574:Schools; D012890:Sleep; D013997:Time Factors
Gigienicheskaia otsenka dnevnogo sna shestiletnikh uchashchikhsia v usloviiakh shkoly.