[The state of health and the working capacity of school undergraduates with poor and good progress].
D000293:Adolescent; D002648:Child; D006801:Humans; D006920:Hygiene; D007360:Intelligence; D012574:Schools; D014937:Work
Sostoianie zdorov'ia i rabotosposobmost' neuspevaiusnchikh i otlichno uspevaiushchikh uchashchkhsia