plasma catecholamine concentrations in the b6 group , in contrast to the b12 group , increased significantly from midoperation to after completion of the operation ( ecc 10 minutes , b6 group v b12 group : plasma norepinephrine 616 +/- 231 v 195 +/- 38 pg/ml , plasma epinephrine 1385 +/- 392 v 572 +/- 132 pg/ml , p less than 0.05 ) .
C0028351
norepinephrine
C0014563
epinephrine