References
"Andreas Vesalius." Encyclopedia Britannica, 3 Mar. 2012. Web. 27 Jan. 2014. <http://global.britannica.com/EBchecked/topic/626818/Andreas-Vesalius>.
"Antonie Van Leeuwenhoek." Wikipedia. Wikimedia Foundation, 21 Jan. 2014. Web. 24 Jan. 2014. <http://en.wikipedia.org/wiki/Antonie_van_Leeuwenhoek>.
"Paracelsus." Wikipedia. Wikimedia Foundation, 23 Jan. 2014. Web. 26 Jan. 2014. <http://en.wikipedia.org/wiki/Paracelsus>.
"How to Take Care of Your Skin." WikiHow. N.p., n.d. Web. 05 Feb. 2014. <http://www.wikihow.com/Take-Care-of-Your-Skin>.
"Tips for Taking Care of Your Skin." KidsHealth. Ed. Patrice Hyde. The Nemours Foundation, 01 Feb. 2011. Web. 05 Feb. 2014. <http://kidshealth.org/teen/your_body/take_care/skin_tips.html>.
"Skin Care: 5 Tips for Healthy Skin." - Mayo Clinic. N.p., n.d. Web. 04 Feb. 2014. <http://www.mayoclinic.org/skin-care/art-20048237>.