%0 Journal Article %T An Introduction to a Head and Neck Cancer-Specific Frailty Index and Its Clinical Implications in Elderly Patients: A Prospective Observational Study Focusing on Respiratory and Swallowing Functions %A Jong-Lyel Roh %A Minsu Kwon %A Sang Yoon Kim %A Sang-Wook Lee %A Seung-Ho Choi %A Shin-Ae Kim %A Soon Yuhl Nam %A Sung-Bae Kim %J Archive of "The Oncologist". %D 2016 %R 10.1634/theoncologist.2016-0008 %K Elderly %K Frailty %K Head and neck cancer %K Respiration %K Swallowing %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5016072/