@misc{indiciaef155937c593c, title = {Diagnosing maxillary sinusitis.}, author = {F Dobbs and D Fleming}, year = {1992}, doi = {10.1136/bmj.305.6866.1435}, url = {https://pubmed.ncbi.nlm.nih.gov/1486321/}, note = {Source identifier: 1486321} }