venous blood samples were drawn during rest and exercise and hemoglobin concentration ( hb ) , hematocrit ( hct ) , plasma osmolality ( posm ) , plasma protein concentration ( pp ) , colloid osmotic pressure ( cop ) , plasma renin activity ( pra ) , cortisol , aldosterone , norepinephrine ( ne ) and epinephrine ( e ) were determined .
C0028351
norepinephrine
C0014563
epinephrine