[HYGIENIC EVALUATION OF THE WORK SCHEDULE FOR STUDENTS OF THE NATIONAL M. I. GLINKA CHOIR SCHOOL].
D000293:Adolescent; D006801:Humans; D012572:School Health Services; D012574:Schools; D013334:Students; D014831:Voice
ADOLESCENCE; SCHOOL HEALTH; VOICE
GIGIENICHESKAIA OTSENKA REZHIMA RABOTY UCHASHCHIKHSIA KHOROVOGO UCHILISHCHA GOSUDARSTVENNO I KAPELLY IM. M. I. GLINKI.