saline infusion did not change catecholamine concentrations from the preinfusion values of 230.8 +/- 32.9 pg ml-1 ( e ) , 456.8 +/- 104.9 pg ml-1 ( ne ) , and 49.0 +/- 19.9 pg ml-1 ( da ) .
C0007412
catecholamine
C0013030
da