[Anomalies of refraction in school children in Petrovsk district of Kirovograd region].
D000293:Adolescent; D002648:Child; D006801:Humans; D012030:Refractive Errors / Q000175:diagnosis*; D012423:Rural Health; D012572:School Health Services; D014455:Ukraine
Anomalii refraktsii u shkol'nikov Petrovskogo raĭona Kirovogradskoĭ oblasti.