Immortal Time Bias: A Frequently Unrecognized Threat to Validity in the Evaluation of Postoperative Radiotherapy

Chemoradiotherapy after Surgery Compared with Surgery Alone for Adenocarcinoma of the Stomach or Gastroesophageal Junction

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Hepatobiliary Cancers

Al B. Benson, Thomas A. Abrams, Edgar Ben‐Josef et al. · Journal of the National Comprehensive Cancer Network · 2009 · 2.3K citations · Full text

Medicine, Oncology, Pathology +14

Effective Surgical Adjuvant Therapy for High-Risk Rectal Carcinoma

James E. Krook, C G Moertel, Leonard L. Gunderson et al. · New England Journal of Medicine · 1991 · 1.9K citations

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Evaluation of BCNU and/or radiotherapy in the treatment of anaplastic gliomas

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Prolongation of the Disease-Free Interval in Surgically Treated Rectal Carcinoma

New England Journal of Medicine · 1985 · 1.1K citations

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