Differential prognostic impact of comorb
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Olli-Pekka Alho; Kalle Hannula; Antti Luokkala; Heikki Teppo; Petri Koivunen; Sa
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Article
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2007
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John Wiley and Sons
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English
β 136 KB
π 1 views
## Abstract ## Background. The aim was to investigate how the effect of comorbid illnesses on survival is modified by other prognostic factors in head and neck cancer. ## Methods. A populationβbased retrospective cohort study involved 221 patients residing in 1 primary health care district (popu