Almeida, Guilherme Abner Sousa, Nathália Silva Gomes, Maria Helena Barbosa, and Elizabeth Barichello. “Disturbances in Sleep Patterns of Patients Undergoing Gastrointestinal Oncological Surgery”. Bioscience Journal 33, no. 2 (March 30, 2017). Accessed October 6, 2024. https://seer.ufu.br/index.php/biosciencejournal/article/view/34323.