Clinical Cancer Research · 2011 · 52 citations · 21 references
We found no evidence that high plasma OPN levels were associated with an adverse prognosis in HNSCC, or were predictive of benefit with hypoxia targeting therapy.
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R: A Language and Environment for Statistical Computing
R Core Team · 2000 · 352.8K citations · Full text
Danny Rischin, Rodney J. Hicks, Richard Fisher et al. · Journal of Clinical Oncology · 2006 · 540 citations · Full text