[State of health among students in schools with a chemistry major].
D000293:Adolescent; D002621:Chemistry / Q000193:education*; D006128:Growth; D006801:Humans; D009017:Morbidity; D012426:Russia; D012572:School Health Services
O sostoianii zdorov'ia uchashchikhsia shkol s uglublennym izucheniem khimii