[1]
Sahni, D., Bagri, D., Bhagat, S., Sharma, D. and Singh, J. 2019. A study to evaluate the relationship between serum vitamin d level and chronic rhinosinusitis. International Journal of Otorhinolaryngology and Head and Neck Surgery. 5, 5 (Aug. 2019), 1388–1393. DOI:https://doi.org/10.18203/issn.2454-5929.ijohns20193889.