“Subcutaneously administered sCT was ineffective "per se" but could again potentiate the head twitch response elicited by L-5-HTP.”
“The intracerebroventricular administration of salmon calcitonin (sCT) to rats induced a dose-dependent increase in the number of head twitches and potentiated such a response elicited by L-5-hydroxytryptophan (L-5-HTP).”