Chronic pain and analgesic use in hospitalized elderly . Bioscience Journal [online], 2018. [online], vol. 34, no. 4, pp. 1073–1082. [Accessed15 December 2025]. DOI 10.14393/BJ-v34n1a2018-38390. Available from: https://seer.ufu.br/index.php/biosciencejournal/article/view/38390.