in control dogs , plasma epinephrine ( epi ) and plasma norepinephrine ( ne ) both increased progressively with time following a midline laparotomy ( delta epi by 50 min , +133 +/- 42 pg/ml , p less than 0.01 and delta ne by 50 min , +108 +/- 38 pg/ml , p less than 0.01 , mean +/- se , n = 12 ) .
C0014563
epi
C0028351
ne