@misc{indiciae5b28c5513644, title = {Pediatric sinusitis: when do we operate?}, author = {John D Lieser and Craig S Derkay}, year = {2005}, doi = {10.1097/00020840-200502000-00014}, url = {https://pubmed.ncbi.nlm.nih.gov/15654218/}, note = {Source identifier: 15654218} }