1. Growth of nonoperating room anesthesia care in the United States: a contemporary trends analysis;Nagrebetsky;Anesth Analg,2017
2. The four Ps: place, procedure, personnel, and patient;Apfelbaum;Anesthesiol Clin,2014
3. Nonoperating room anesthesia for the gastrointestinal endoscopy suite;Tetzlaff;Anesthesiol Clin,2014
4. ASA, Ethical guidelines for the anethesia care of patients with DO-NOT-RESUSCITATE orders or other directives that limit treatment. 2013. Guidelines available at: https://www.asahq.org/quality-and-practice-management/standards-guidelines-and-related-resources-search. Assessed September 09, 2018.
5. ACS, Statement on Advance Directives by Patients: "Do Not Resuscitate" in the Operating Room Assessed from the American College of Surgeons website. 2014. Available at: https://www.facs.org/about-acs/statements/19-advance-directives. Assessed September 09, 2018.