Limited validity of diagnosis codes in Medicare claims for identifying cancer metastases and inferring stage

Overview of the SEER-Medicare data: content, research applications, and generalizability to the United States elderly population.

Joan L. Warren, Carrie N. Klabunde, Deborah Schrag et al. · PubMed · 2002 · 1.7K citations

Medicine, Geriatric Medicine, Epidemiology +15

A Refined Comorbidity Measurement Algorithm for Claims-Based Studies of Breast, Prostate, Colorectal, and Lung Cancer Patients

Carrie N. Klabunde, Julie Legler, Joan L. Warren et al. · Annals of Epidemiology · 2007 · 510 citations

Medicine, Oncology, Cancer Epidemiology +15

Utility of the SEER-Medicare Data to Identify Chemotherapy Use

Joan L. Warren, Linda C. Harlan, Angela Fahey et al. · Medical Care · 2002 · 384 citations

Medicine, Oncology, Chemotherapy +11

Using Natural Language Processing to Improve Efficiency of Manual Chart Abstraction in Research: The Case of Breast Cancer Recurrence

David Carrell, Scott Halgrim, Diem-Thy Tran et al. · American Journal of Epidemiology · 2014 · 174 citations · Full text

Computing, Biomedical Informatics, Health Informatics +16

Time to Adjuvant Chemotherapy for Breast Cancer in National Comprehensive Cancer Network Institutions

Jonathan L. Vandergrift, Joyce C. Niland, Richard L. Theriault et al. · JNCI Journal of the National Cancer Institute · 2012 · 130 citations · Full text

Medicine, Oncology, Breast Oncology +8