Analysis of hospital costs: a case study of elective cesarean section in a private maternity in a private maternity in northeast Brazil using the Time-Driven Activity-Based Costing (TDABC) methodology. RSD [Internet]. 2024 Aug. 17 [cited 2025 Jun. 28];13(8):e6413846571. Available from: https://ojs34.rsdjournal.org/index.php/rsd/article/view/46571