title: [Changes in the functional state of adolescents during training in tractor operations].
mesh_terms: D000293:Adolescent; D000367:Age Factors; D000383:Agriculture; D001309:Auditory Threshold / Q000502:physiology; D004185:Disability Evaluation; D004526:Efficiency; D006439:Hemodynamics; D006801:Humans; D008297:Male; D009787:Occupational Medicine; D014938:Work Capacity Evaluation
vernacular_title: Izmeneniia funktsional'nogo sostoianiia podrostkov pri obuchenii rabote na traktore.