in persons professionally contacting with pesticides for a long time activity of membrane-bound monoamine oxidases ( mao ) was statistically distinctly higher ( about 2-fold ) in blood thrombocytes , while activity of soluble amine oxidase ( ao ) was considerably lower ( about 5-fold ) in blood serum and plasma as compared with persons who did not have prolonged contact with pesticides .
C0229671
blood serum
C0032105
plasma