1) CDC : Guidelines for environmental infection control in health-care facilities. https://www.cdc.gov/infectioncontrol/pdf/guidelines/environmental-guidelines.pdf
2) CDC : Updated norovirus outbreak management and disease prevention guidelines. http://www.cdc.gov/mmwr/pdf/rr/rr6003.pdf
5) CDC : Guideline for prevention of surgical site infection, 1999. https://www.cdc.gov/hai/pdfs/ssiguidelines.pdf
12) Recommended practices for surgical attire. In : Perioperative standards and Recommended practices. Denver, CO : Association for Perioperative Registered Nureses : 2011, p57-72
13) Board of Regemens of the American College of Surgeons : Statement on operating room attire. Bull AM Coll Surg 101 (10) : 47, 2016 https://www.facs.org/~/media/files/publications/bulletin/2016/2016%20october.ashx
14) American College of Surgeons : Statement on operating room attire. https://www.facs.org/about-acs/statements/87-surgical-attire
15) UCLA health system : Infection control practices policy surgical attire revisions. http://slideplayer.com/slide/1551091/
17) 厚生労働省医政局 : 医療施設における院内感染の防止について. http://www.mhlw.go.jp/shingi/2006/09/dl/s0906-3d.pdf
18) AST Standards of practice for surgical attire, surgical scrub, hand hygiene and hand washing. http://www.ast.org/uploadedFiles/Main_Site/Content/About_Us/Standard_Surgical_Attire_Surgical_Scrub.pdf
19) CDC : Surgical smoke. https://www.cdc.gov/niosh/topics/healthcarehsps/smoke.html
22) WHO Guidelines on hand hygiene in health care, 2009. http://whqlibdoc.who.int/publications/2009/9789241597906_eng.pdf