Tortora, Gerard J., and Bryan Derrickson. Tortora’s Principles of Anatomy & Physiology: Study Guide. 15th ed., Global ed. Hoboken, N.J.: John Wiley & Sons, Inc, 2017. Print.
Whitehead, Saffron A., and John Miell. Clinical Endocrinology. Banbury: Scion, 2013. Print.