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Personal experiences and other research articles from scholars and physicians were used to develop the arguments in this article. 

The film provides direct footage of what goes on in the waiting room. It follows the triage nurse, several patients who come in through the waiting room, and several patients who come in from the ambulance. The film also has segments with doctors and social workers. This film does not present with scientific information but more of a real life account for the viewer to observe. The emotional appeal of the film is driven by the connection the viewer develops with some of the patients and ties to any personal experiences the viewer may have with emergency rooms. 

The bibliography for this article included various other articles and papers on global outbreaks and public health. The resources the authors used implies that this article was written in a manner that considered lots of perspectives and research. 

Knowles supports this argument through his investigation and presentation of three historical disasters that occurred in the United States. The disasters he chose included a structural integrity factor and a general malfunction or misuse  of safety equipment. Knowles also discussed policy that resulted because of these disasters. The argument is also supported through his discussion of the events that occurred post 9/11 and the public out cry from that event as well. Knowles discusses the investigation after theses events occurred and how often times there is a lot of opinions and findings as to what the cause of the disaster or equipment failure was.