Variables with time-varying effects and the Cox model: Some statistical concepts illustrated with a prognostic factor study in breast cancer.

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Bibliographic Details
Title: Variables with time-varying effects and the Cox model: Some statistical concepts illustrated with a prognostic factor study in breast cancer.
Authors: Bellera, Carine A.1,2 bellera@bergonie.org, MacGrogan, Gaëtan3, Debled, Marc4, de Lara, Christine Tunon5, Brouste, Véronique1, Mathoulin-Pélissier, Simone1,2
Source: BMC Medical Research Methodology. 2010, Vol. 10, p20-31. 12p.
Database: Academic Search Ultimate
Description
ISSN:14712288
DOI:10.1186/1471-2288-10-20