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Int J Cancer. 2014 Jul 1;135(1):248-9. doi: 10.1002/ijc.28663. Epub 2014 Jan 6.

Use of Cox regression with treatment status as a time-dependent covariate to re-analyze survival benefit excludes immortal time bias effect in patients with glioblastoma who received prolonged adjuvant treatment with valganciclovir.

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1
Department of Medicine Solna Unit for Experimental Medicine Cell and Molecular Immunology, Center for Molecular Medicine, Karolinska Institute, Stockholm, Sweden.
PMID:
24338548
DOI:
10.1002/ijc.28663
[Indexed for MEDLINE]
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