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APA Citation
Chung, S., Lin, H., Wu, C., Kao, L., & Hung, S. (n.d.). a tonsillectomy increased the risk of chronic rhinosinusitis among children: A three-year follow-up study. International journal of pediatric otorhinolaryngology, 91, 82–85. http://access.bl.uk/ark:/81055/vdc_100039064122.0x000029