Significance and prognostic impact of co-morbidity in head and neck cancer.
Kazi
Rehan
R
Nutting
Chris M
CM
Rhys-Evans
Peter
P
Harrington
Kevin J
KJ
D015897:Comorbidity; D006258:Head and Neck Neoplasms / Q000453:epidemiology*; D006801:Humans; D011379:Prognosis