title: Studying cardiac contractility change trend to evaluate cardiac reserve.
authors.affiliation: Department of Biomedical Engineering, Chongqing University. xiaosz@cq.cnuninet.net
authors.forename: Shouzhong
authors.initials: S
authors.lastname: Xiao
authors.forename: Zhigang
authors.initials: Z
authors.lastname: Wang
authors.forename: Dayi
authors.initials: D
authors.lastname: Hu
mesh_terms: D000328:Adult; D005080:Exercise Test / Q000379:methods*; D006339:Heart Rate; D006556:Heroin Dependence / Q000503:physiopathology*; D006801:Humans; D008875:Middle Aged; D009200:Myocardial Contraction; D010701:Phonocardiography / Q000295:instrumentation / Q000379:methods*; D012680:Sensitivity and Specificity