Dilber, Daniel, Ivan Malčić, Tomislav Ćaleta, and Ana Zovko. “Reference Values for Cardiopulmonary Exercise Testing in Children and Adolescents in Northwest Croatia”. Paediatria Croatica 59, no. 4 (December 30, 2015): 195–202. Accessed December 15, 2025. https://paedcro.izahost.com/index.php/paedcro/article/view/560.