%0 Journal Article
%T Oxygen uptake efficiency slope in children: Its role in exercise testing
%A Arend DJ Ten Harkel
%A Tim Takken
%J European Journal of Preventive Cardiology
%@ 2047-4881
%D 2019
%R 10.1177/2047487318810872
%U https://journals.sagepub.com/doi/full/10.1177/2047487318810872