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Comorbidity is an important independent prognostic factor for patients with cancer. The inclusion of comorbidity in hospital-based cancer registries will increase the value and use of observational research.
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Jay F. Piccirillo (Tue,) studied this question.
www.synapsesocial.com/papers/69d6aca4a0177bf533ed88a0 — DOI: https://doi.org/10.1001/jama.291.20.2441
Jay F. Piccirillo
JAMA
Washington University in St. Louis
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