ALMEIDA, G.A.S., GOMES, N.S., BARBOSA, M.H. and BARICHELLO, E., 2017. Disturbances in sleep patterns of patients undergoing gastrointestinal oncological surgery . Bioscience Journal [online], vol. 33, no. 2. [Accessed27 July 2024]. DOI 10.14393/BJ-v33n2-34323. Available from: https://seer.ufu.br/index.php/biosciencejournal/article/view/34323.