Letter to the Editor regarding, “The prognostic role of PD-L1 expression for survival in head and neck squamous cell carcinoma: A systematic review and meta-analysis”

Publication date: Available online 19 December 2018

Source: Oral Oncology

Author(s): Rama Jayaraj, Chellan Kumarasamy, Suja Samiappan, Priya Swaminathan

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