[Effect of participation in associations of institutions outside the school on the health status of students].
Sergeta
V N
VN
Buz'ko
E F
EF
Pereima
V Ia
VIa
D000293:Adolescent; D002648:Child; D006262:Health; D006304:Health Status; D006801:Humans; D007899:Leisure Activities; D012426:Russia
Vliianie zaniatiĭ v kruzhkakh vneshkol'nykh uchrezhdeniĭ na sostoianie zdorov'ia uchashchikhsia.