Burgin SJM, Spector ME, Pearson AT, Bellile E, Vainshtein JM, Rosko A, Mclean SA, Bradford CR, Wolf GT, Prince ME, Worden FP, Eisbruch A, Chepeha DB. Long-term neck and shoulder function among survivors of oropharyngeal squamous cell carcinoma treated with chemoradiation as assessed with the neck dissection impairment index. Head Neck. 2021 05; 43(5):1621-1628.