@misc{indiciae320216977190, title = {Directed functional endoscopic sinus surgery and headaches.}, author = {D O Becker and D M Cunning}, year = {2000}, doi = {10.1001/archotol.126.10.1274}, url = {https://pubmed.ncbi.nlm.nih.gov/11031419/}, note = {Source identifier: 11031419} }