@misc{indiciae1192ed266df0, title = {Radiographic sinusitis: illusion or delusion?}, author = {E R Wald}, year = {1993}, doi = {10.1097/00006454-199309000-00029}, url = {https://pubmed.ncbi.nlm.nih.gov/8414818/}, note = {Source identifier: 8414818} }