Sources:

http://abolishcancer.blogspot.com/2010/09/display-new-logo-signifying-x-to-cancer.html
http://www.memorialoncology.org/what-does-it-take-to-become-an-oncologist/
http://education-portal.com/articles/Oncology_Specialist_Job_Description_Duties_and_Requirements.html
http://swz.salary.com/SalaryWizard/oncologist-Salary-Details-Charleston-WV.aspx
http://www.careercentre.dtwd.wa.gov.au/occupations/Pages/medical-oncologist.aspx
http://www.medscape.com/viewarticle/821837
http://www.canstockphoto.com/images-photos/oncologist.html
http://wvde.state.wv.us/filter/deny/index.html?dpid=1&dpruleid=7&cat=201&ttl=-100&groupname=Default&policyname=default&username=-&userip=10.18.100.148&connectionip=127.0.0.1&nsphostname=south-nsr4&protocol=nsef&dplanguage=-&url=http%3a%2f%2fwww%2epinterest%2ecom%2fihadcancer%2finspirational%2dquotes%2dfor%2dcancer%2dfighters%2f
http://www.uwo.ca/oncology/
http://www.stjude.org/stjude/v/index.jsp?vgnextoid=f81565cad7e70110VgnVCM1000001e0215acRCRD&vgnextchannel=e22713c016118010VgnVCM1000000e2015acRCRD