Correlation of PD-L1 expression with toxicities and response in oropharyngeal cancers treated with definitive chemoradiotherapy - Srivastava, Smriti; Rastogi, Madhup; Gandhi, Ajeet; Khurana, Rohini; Hadi, Rahat; Sapru, Shantanu; Srivastava, Anoop; Bharati, Avinav; Husain, Nuzhat; Mishra, Surendra; Sahni, Kamal (Contemporary Oncology/Współczesna Onkologia, 2022)