da Silva Caldeira de Moraes, H., C. Silva Fassarella, F. Giron Camerini, R. de Oliveira Meneses, and P. Sanchez Bosco. “Fasting Time and Metabolic Changes in Elective Surgeries: An Integrative Review”. Online Brazilian Journal of Nursing, vol. 20, no. u, Aug. 2021, doi:10.17665/1676-4285.20216480.