![Applicability of the adult comorbidity evaluation – 27 and the Charlson indexes to assess comorbidity by notes extraction in a cohort of United Kingdom patients with head and neck cancer: a retrospective study]()
Applicability of the adult comorbidity evaluation – 27 and the Charlson indexes to assess comorbidity by notes extraction in a cohort of United Kingdom patients with head and neck cancer: a retrospective studyPaleri, V.; Wight, R. G. · The Journal of Laryngology & Otology · 2002