Journal of the American Geriatrics Society · 2006 · 174 citations · 32 references
A substantial proportion of deaths in older persons with colorectal cancer can be attributed to CHF, diabetes mellitus, and COPD. Multimorbidity is common and exerts a substantial effect on colorectal cancer survival.
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SEER Cancer Statistics Review, 1975-2003
Lynn A. G. Ries, D. Harkins, Martin Krapcho et al. · ScholarWorks - Georgia State University (Georgia State University) · 2006 · 11.5K citations · Full text
Clinical Practice Guidelines and Quality of Care for Older Patients With Multiple Comorbid Diseases
Cynthia M. Boyd, Jonathan Darer, Chad Boult et al. · JAMA · 2005 · 2.5K citations