How to improve the endoscopic view of the hypopharynx: Validation of our novel modified Killian's Method to expose the hypopharynx in 20 subjects. (8th July 2018) - Sakai, A.; Okami, K.; Ebisumoto, K.; Yamamoto, H.; Saito, K.; Maki, D.; Furuya, H.; Iida, M.