1. Bang MJ. September Is. Poetry Foundation website. https://www.poetryfoundation.org/poems/58257/september-is. Accessed July 15, 2018.
2. 9/11 Conspiracy Theories. Wikipedia website. https://en.wikipedia.org/wiki/9/11_conspiracy_theories. Accessed July 15, 2018.
3. On This Day. Historical Events in 2007. https://www.onthisday.com/events/date/2007.
4. Thoughts about journals, altruism, impact factors, marijuana, and the physician labeling rule;Shader;Clin Ther,2017