Gutjahr SB 2019 - Ne groups. On the other hand, no statistical difference was found https://www.gutjahr.xyz/story.php?title=ne-groups-on-the-other-hand-no-statistical-difference-was-found-37 Ne groups. On the other hand, no statistical difference was found between the control and the leaded groups. Serotonin content was not affected in all the three experimental groups when comparison was made between each other. In the hypothalamus, data in table 2 reveal that the norepinephrine, dopamine and serotonin in the group exposed to the unleaded gasoline were lower than those of the control Fri, 09 Nov 2018 15:49:11 UTC en