1. Paulo. G, do E de S. Boletim SP Contra o Novo Coronavírus. Gov do Estado São Paulo [Internet]. 2020; Available from: https://www.seade.gov.br/coronavirus/
2. Revised National Pressure Ulcer Advisory Panel Pressure Injury Staging System: Revised Pressure Injury Staging System;Edsberg;J Wound Ostomy Continence Nurs,2016
3. Lindholm C, Sterner E, Romanelli M, Pina E, Torra Y Bou J, Hietanen H, et al. Hip fracture and pressure ulcers - The Pan-European Pressure Ulcer Study - Intrinsic and extrinsic risk factors. In: International Wound Journal [Internet]. Blackwell Publishing Ltd; 2008 [cited 2020 Jun 23]. p. 315 –28. Available from: https://scinapse.io/papers/2131934040
4. US Medicare data show incidence of hospital-acquired pressure ulcers is 4.5%, and they are associated with longer hospital stay and higher risk of death;Moore;Evid Based Nurs,2013
5. Liu X, Zhou H, Zhou Y, Wu X, Zhao Y, Lu Y, et al. Risk factors associated with disease severity and length of hospital stay in COVID-19 patients [Internet]. Vol. 81, Journal of Infection. W.B. Saunders Ltd; 2020 [cited 2020 Jul 1]. p. e95 –7. Available from: https://linkinghub.elsevier.com/retrieve/pii/S0163445320302164