Juliana Popa

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PURPOSE Mutations in KRAS and BRAF genes as well as the loss of expression of phosphatase and tensin homolog (PTEN) (deleted on chromosome 10) are associated with impaired activity of antibodies directed against epidermal growth factor receptor in patients with metastatic colorectal cancer. The predictive and prognostic value of the KRAS and BRAF point(More)
Background: JC virus infection is ubiquitous. The mechanism of transmission from person to person remains uncertain. JCV has been demonstrated in tonsillar tissue and oropharyngeal transmission has been proposed as a potential means of transmission. Objective: To determine the presence of JC virus in saliva and throat washings of a normal population,(More)
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