[ON MORBIDITY AND ABSENCE OF STUDENTS FROM SCHOOL].
D000293:Adolescent; D002648:Child; D006801:Humans; D009017:Morbidity; D012572:School Health Services; D012574:Schools; D013334:Students; D014455:Ukraine
ADOLESCENCE; CHILD; SCHOOL HEALTH; UKRAINE
O ZABOLEVAEMOSTI I PROPUSKAKH UCHEBNYKH ZANIATI I V SHKOLAKH.