Johnston B M, Walker D W, Green A R
Experientia. 1984 Mar 15;40(3):291-4. doi: 10.1007/BF01947589.
Daily infusion of p-chlorophenylalanine (p-CPA) into unanesthetized fetal sheep for 3-6 days did not reduce brain 5-hydroxytryptamine (5-HT) concentrations or produce long-term changes in the pattern of electrocortical activity.