9. Spector S., Munjal I., Effects of the Immunostimulant, Levamisole, on Opiate Withdrawal and Levels of Endogenous Opiate Alkaloids and Monoamine Neurotransmitters in Rat Brain, Europsychopharmacology (1998); Vol. 19 (No.5)
10. Tortora G., Derrickson B., Principios de la anatomía y fisiología, Editorial Médica Panaamericana (2007); 11ma Edición, 538-544
11. Zhao X., Shoji S., Balanced GABAergic and glutamatergic synapse development in hippocampal neurons, Biochemical and Biophysical Research Communications (2005); Vol. 330 1110–1115