1. Alberts, B., Johnson, A., Lewis, J., Walter, P., Raff, M., & Roberts, K. (2002). Molecular biology of the cell 4th edition: International student edition. New York: Garland Science.
2. Berg, J.M., Tymoczko, J.L. and Stryer, L., 2002. Biochemistry. 5th edition. New York: WH Freeman, 38(894), 76.
3. Booij, L., Tremblay, R. E., Szyf, M., & Benkelfat, C. (2015). Genetic and early environmental influences on the serotonin system: Consequences for brain development and risk for psychopathology. Journal of Psychiatry & Neuroscience, 40(1), 5.
4. Davis, M. B., & Shaw, R. G. (2001). Range shifts and adaptive responses to quaternary climate change. Science, 292(5517), 673–679.
5. Joule, J. A., & Mills, K. (2012) Heterocyclic chemistry at a glance. Wiley.