https://www.healthcentral.com/slideshow/head-and-neck-cancer-survivors-share-oral-care-tips

https://www.timesnownews.com/health/article/world-oral-health-day-2019-8-signs-and-symptoms-of-oral-cancer-causes-risk-factors-treatment-how-to-prevent-mouth-cancer/386016

https://www.modernhealthcare.com/article/20180616/TRANSFORMATION03/180619957/oral-hygiene-program-reduces-infections-among-young-cancer-patients-at-johns-hopkins