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The Horizon Sign and Frontal Bar: Two Topographic Landmarks to Confirm Endoscopic Frontal Sinusotomy OTOLARYNGOLOGY-HEAD AND NECK SURGERY Walgama, E. S., Thamboo, A., Tangbumrungtham, N., Ayoub, N., Patel, Z. M., Nayak, J. V. 2019; 160 (4): 740–43
View details for DOI 10.1177/0194599818825472
View details for Web of Science ID 000463053500024