Evaluation of the cardiopulmonary endurance: cardiopulmonary exercise test versus 6-minute two-step test
Fan Chaoqun1, Xu Kai2, Nie Mingjian1, Xu Wenfeng1, Wang Mei1
Chinese Journal of Tissue Engineering Research . 2019, (
23
): 3686 -3691 . DOI: 10.3969/j.issn.2095-4344.1314