Silberthau Kara R, Chao Tiffany N, Newman Jason G
Perelman School of Medicine, University of Pennsylvania, Philadelphia.
Department of Otolaryngology-Head and Neck Surgery, University of Pennsylvania, Philadelphia.
JAMA Otolaryngol Head Neck Surg. 2020 Apr 1;146(4):321-322. doi: 10.1001/jamaoto.2019.4862.