References - Visible Light

[V1] Lucas, J, (2015). What is Visible Light? Available at: http://www.livescience.com/50678-visible-light.html [Accessed 20 Feb. 2017]

[V2] Classen, M. Tytgat, G, N, J. and Lightdale, C, J. (2010). Gastroenterological Endoscopy, ed. 2. New York: Thieme. [p. 6]

[V3] Kenny, T (2015). Gastroscopy (Endoscopy). Available at: http://patient.info/health/gastroscopy-endoscopy [Accessed 20 Feb. 2017]

[V4] Good, G. W, (2014). Light and Eye Damage. Available at: http://www.aoa.org/Documents/CRG/Blue%20Light%20and%20Eye%20Damage.pdf [Accessed 20 Feb. 2017]

[V5] Nhs.uk, (2016). Endoscopy. Available at: http://www.nhs.uk/conditions/Endoscopy/pages/introduction.aspx [Accessed 20 Feb. 2017].

[V6] explainthatstuff.com (2016). How fibre - optics work. Available at: http://www.explainthatstuff.com/fiberoptics.html [Accessed 26 Feb. 2017]

[V7] Cancer.gov.uk (2011). Photodynamic Therapy for Cancer. Available at: https://www.cancer.gov/about-cancer/treatment/types/surgery/photodynamic-fact-sheet [Accessed 21 Feb. 2017]

[V9] asds.net (2016). Complications that can occur. Available at: https://www.asds.net/PhotodynamicTherapyInformation.aspx [Accessed 26 Feb. 2017]

[V10] Nave. R (2000) Total Internal Reflection. Available at: http://hyperphysics.phy-astr.gsu.edu/hbase/phyopt/totint.html [Accessed 02 March. 2017]