Singh, N.K., Garg, L.N., Shekhar, S., Rao, N., Kour, C., Singh, A. and Kuhar, H. 2018. Fungi in association with chronic bacterial rhinosinusitis; relationship with a synergistic effect: a prospective study. International Journal of Otorhinolaryngology and Head and Neck Surgery. 4, 5 (Aug. 2018), 1272–1275. DOI:https://doi.org/10.18203/issn.2454-5929.ijohns20183700.