serum corticosterone concentrations were measured in rats after injection of fenfluramine ( fen ) , p-chloroamphetamine ( pca ) and p-fluoroamphetamine ( pfa ) , halogenated amphetamine derivatives believed to exert their behavioral and physiological effects through the release and/or depletion of brain serotonin ( 5-ht ) .
C0004927
behavioral
C0006104
brain