Bharath, M., Galagali, J. R., Mishra, A. K., Mallick, A., & Nikhilesh, E. (2019). Prophylactic use of antibiotics as per SIGN 104 guidelines versus routine antibiotic prophylaxis for prevention of surgical site infection in clean and clean contaminated ENT surgical procedures: a comparative study. International Journal of Otorhinolaryngology and Head and Neck Surgery, 6(1), 106–111. https://doi.org/10.18203/issn.2454-5929.ijohns20195698