the mechanism of early morning bronchospasm in asthma was investigated by analyzing circadian variations in the plasma levels of cortisol , acth , epinephrine , and norepinephrine , as well as in the serum neutrophil chemotactic activity and heart rate in asthmatic patients with ( n = 6 ) and without ( n = 7 ) `` '' morning dipping '' '' and normal subjects .
C0014563
epinephrine
C0028351
norepinephrine