Chemoendocrine versus endocrine adjuvant therapies for node-negative breast cancer: Predictive value of centrally reviewed expression of estrogen and progesterone receptors - International Breast Cancer Study Group
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A graphical method to assess treatment-covariate interactions using the Cox model on subsets of the data
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A new approach to modelling interactions between treatment and continuous covariates in clinical trials by using fractional polynomials
Royston P, Sauerbrei W: A new approach to modelling interactions between treatment and continuous covariates in clinical trials by using fractional polynomials. Stat Med 23:2509-2525, 2004
Modelling the effects of standard prognostic factors in node positive breast cancer
Sauerbrei W, Royston P, Bojar H, et al: Modelling the effects of standard prognostic factors in node positive breast cancer. Br J Cancer 79:1752-1760, 1999
Is treatment with interferon-alpha effective in all patients with metastatic renal carcinoma? A new approach to the investigation of interactions
Royston P, Sauerbrei W, Ritchie A: Is treatment with interferon-alpha effective in all patients with metastatic renal carcinoma? A new approach to the investigation of interactions. Br J Cancer 90:794-799, 2004
Detecting an interaction between treatment and a continuous covariate: A comparison of two approaches
Sauerbrei W, Royston P, Zapien K: Detecting an interaction between treatment and a continuous covariate: A comparison of two approaches. Comp Statist Data Anal 51:4054-4063, 2007