Sahu, N., Mohapatra, S. S. G., Rath, S. N., & Padhy, R. N. (2017). Radiological significance of isolated ethmoid sinus infections in asymptomatic patients of recurrent acute rhinosinusitis. International Journal of Research in Medical Sciences, 5(5), 1781–1784. https://doi.org/10.18203/2320-6012.ijrms20171520