Analysis of pulmonary function and diaphragmatic thickness after upper abdominal surgery in patients hospitalized at the university hospital of Western Paraná. Research, Society and Development, [S. l.], v. 14, n. 2, p. e12914248335, 2025. DOI: 10.33448/rsd-v14i2.48335. Disponível em: https://ojs34.rsdjournal.org/index.php/rsd/article/view/48335. Acesso em: 28 jun. 2025.