Subramaniam, V., V. Pai, and M. R. Mazumdar. “Effects of Adenotonsillectomy on Humoral Immunity”. International Journal of Otorhinolaryngology and Head and Neck Surgery, vol. 2, no. 4, Sept. 2016, pp. 230-3, doi:10.18203/issn.2454-5929.ijohns20163471.