[Myopia in various trade school students and hygienic factors in the environment].
D006801:Humans; D008027:Light; D008029:Lighting; D009216:Myopia / Q000706:statistics & numerical data*; D012572:School Health Services; D012574:Schools; D013334:Students
ILLUMINATION; MYOPIA/statistics; SCHOOL HEALTH
Blizorukost' uchashchikhsia remeslennykh uchilishch razlichnykh professii i gigienicheskie faktory vneshnei sredy.