Rangrez, A. A. A. R., C. G. Agrawal, and D. Gangurde. “Thoracic Epidural for Modified Radical Mastectomy in an Asthmatic Patient”. International Journal of Basic & Clinical Pharmacology, vol. 9, no. 3, Feb. 2020, pp. 506-9, doi:10.18203/2319-2003.ijbcp20200730.