we therefore investigated the importance of dopaminergic control of gonadotrophin secretion by studying lh , fsh and prl responses in normal and php subjects to central dopamine synthesis inhibition using monoiodotyrosine ( mit ) and to a 4 h dopamine infusion designed to elevate peripheral plasma dopamine concentration to levels reported for pituitary portal plasma ( 1-6 ng/ml ) .
C0282151
dopaminergic
C0013030
dopamine