plasma epinephrine and norepinephrine concentrations were measured in seventeen unanaesthetized 3 to 4 days-old piglets while in a thermoneutral environment ( 31.3 degrees c ) and 30 , 45 and 60 min after induction of environmental cold stress ( 19.9-23.1 degrees c ) .
C0014563
epinephrine
C0028351
norepinephrine