The Relationship between Peak Oxygen Uptake and Physical Activity in 6- to 8-Year-Old Children.
Fenster JR, Freedson PS, Washburn RA, Ellison RC. The Relationship between Peak Oxygen Uptake and Physical Activity in 6- to 8-Year-Old Children. Pediatr Exerc Sci. 1989 May; 1(2):127-136.