The use of regional blocks in anesthesia for heart surgery: literature review. Research, Society and Development, [S. l.], v. 11, n. 16, p. e446111638465, 2022. DOI: 10.33448/rsd-v11i16.38465. Disponível em: https://rsdjournal.org/rsd/article/view/38465. Acesso em: 5 dec. 2025.