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433 Prevalence of PD-L1 expression among patients with recurrent and metastatic head and neck squamous cell carcinoma in Taiwan
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Yen C, Lien M, Cheng R, et al
433 Prevalence of PD-L1 expression among patients with recurrent and metastatic head and neck squamous cell carcinoma in Taiwan

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  • First published November 7, 2022.
Online issue publication 
April 26, 2023

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