1. Harvard Health. Accessed January 2021. “Hemorrhoids and What to Do about Them.”
https://www.health.harvard.edu/diseases-and-conditions/hemorrhoids_and_what_to_do_about_them

2. JAMA Network. December 2014. “Hemorrhoids.”
https://jamanetwork.com/journals/jama/fullarticle/2084893
[Accessed January 2021]