after 30 min of cold air , norepinephrine ( ne ) increases from 2.01 +/- 0.26 to 7.15 +/- 0.64 nmol/l , and epinephrine ( epi ) increases from 201 +/- 25 to 295 +/- 34 pmol/l .
C0028351
norepinephrine
C0014563
epinephrine