1. Talikwa, L.: Facing up to wearing facial protection equipment. Managing Inf. Control 2:3–8 (2002).
2. International Safety Equipment Association (ISEA): “Draft ISEA 119: Standard for Eye and Face Protection against Biological Hazards.” Disponible en https://safetyequipment.org/userfiles/File/Background_statement.pdf (accedido el 14 de julio, 2015).
3. Mitchell, A.H.: A retrospect: PPE use then and now. Infect. Control Today 18:32–35 (2014).
4. U.S. Patent Office: “Ellen Dempsey. Patent 737, 591. Sanitary Face Shield. 1903.” Disponible en http://docs.google.com/viewer?url=patentimages.storage.googleapis.com/pdfs/US737591.pdf (consultado el 14 de julio de 2015).
5. U.S. Patent Office: "James H. Bolker. Patent 3,943,575. Comfortable Surgical Hood. 1976.” Disponible en https://docs.google.com/viewer?url=patentimages.storage.googleapis.com/pdfs/US3943575.pdf (consultado el 14 de julio, 2015).