the influence of endocrine factors on monoamine oxidase activity ( mao ) and on noradrenaline metabolism has been evaluated by measuring platelet mao activity and plasma levels of 3,4-dihydroxyphenylethylene glycol ( dopeg ) , the major deaminated metabolite of noradrenaline , as well as serum levels of steroid hormones weekly in 9 young healthy women during one menstrual cycle .
C0032105
plasma
C0229671
serum