Patterns of level II node metastasis in nasopharyngeal carcinoma
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PII: S0167-8140(08)00379-4
doi:10.1016/j.radonc.2008.07.014
© 2008 Elsevier Ireland Ltd. All rights reserved.
PII: S0167-8140(08)00379-4
doi:10.1016/j.radonc.2008.07.014
© 2008 Elsevier Ireland Ltd. All rights reserved.