“Treatment with DOM did not prevent, however, the reduction in PRL levels produced by central administration of OT (2 micrograms).”
“… DOM resulted in … infusion of OT (at 0.01 or 0.1 microgram OT/kg.min) or partially, but significantly, reduced by pretreatment with anti-OT antiserum (0.…, OT (which has little PRF activity during conditions of normal dopaminergic tone) can stimulate PRL secretion by a direct pituitary action.”