title: Comparison of discrete cardiovascular fitness groups on plasma catecholamine and selected behavioral responses to psychological stress.
mesh_terms: D000328:Adult; D001143:Arousal / Q000502:physiology*; D004837:Epinephrine / Q000097:blood*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009638:Norepinephrine / Q000097:blood*; D010809:Physical Fitness; D013315:Stress, Psychological / Q000097:blood*
chemical_list: D009638:Norepinephrine; D004837:Epinephrine