Peak oxygen pulse responses during maximal cardiopulmonary exercise testing: Reference standards from FRIEND (Fitness Registry and the Importance of Exercise: an International Database).
Arena R, Myers J, Harber M, Wisloff U, Stensvold D, Kaminsky LA. Peak oxygen pulse responses during maximal cardiopulmonary exercise testing: Reference standards from FRIEND (Fitness Registry and the Importance of Exercise: an International Database). Int J Cardiol. 2020 02 15; 301:180-182.