Using a population-based observational cohort study to address difficult comparative effectiveness research questions: the CEASAR study.
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M. Cooperberg | S. Kaplan | S. Greenfield | S. Phillips | K. Hoffman | D. Penson | T. Koyama | A. Morgans | A. Hamilton | A. Stroup | L. Paddock | M. Goodman | Xiao-Cheng Wu | D. Barocas | V. Chen | M. Resnick | J. Graff