@article {18198, title = {Investigation of possible changes to biochemical indices regarding specific forms of exercise (soccer, swimming etc) in childhood}, journal = {Pedagogics, Psychology, Medical-Biological Problems of Sports}, volume = {2}, year = {2011}, pages = {140-148}, author = {Bekris, E and Giovanis, V and Dafopoulou, G and Souglis, A. and A Sotiropoulos} }