title: [Research on complexity feature of cardiac reserve mobilization trend under stress conditions].
authors.forename: Ding-guo
authors.initials: DG
authors.lastname: Xu
authors.forename: Shu-zhi
authors.initials: SZ
authors.lastname: Liu
authors.forename: Yan-xia
authors.initials: YX
authors.lastname: Zhao
mesh_terms: D006321:Heart / Q000502:physiology*; D006801:Humans; D013312:Stress, Physiological