Haloi, P. et al. 2024. Thoracic segmental spinal anesthesia for cesarean section in a parturient with atrial septal defect - a case report.: TSSA in ASD patient for LSCS. Journal of the Portuguese Society of Anesthesiology. 33, 3 (Oct. 2024). DOI:https://doi.org/10.25751/rspa.35006.