Cofre Bolados, Cristian, Walter Dario Rosales, y Alexis Espinoza Salinas. 2019. «Validation of the ST3x1 Step Test As an Estimator of Peak VO2 in Adults With Cardiovascular Risk Factors». Revista Científica Salud Uninorte 34 (3). https://doi.org/10.14482/sun.34.3.616.10.