title: Is the 6-min walking test a sub-maximal exercise test in heart failure patients?
authors.forename: Vitor Oliveira
authors.initials: VO
authors.lastname: Carvalho
authors.forename: Guilherme Veiga
authors.initials: GV
authors.lastname: Guimarães
mesh_terms: D005080:Exercise Test / Q000592:standards*; D017079:Exercise Tolerance / Q000502:physiology*; D006333:Heart Failure / Q000503:physiopathology*; D006801:Humans; D008297:Male; D010101:Oxygen Consumption / Q000502:physiology; D013997:Time Factors; D016138:Walking / Q000502:physiology*