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