Costanzo, Linda S., Physiology, Fifth edition (Philadelphia: Saunders/Elsevier, 2014) <https://ebookcentral.proquest.com/lib/bristol/detail.action?docID=1479991>
Davies, Andrew, Asa G. H. Blakeley, Cecil Kidd, and J. G. McGeown, Human Physiology (Edinburgh: Churchill Livingstone, 2001)