title: Letter to the editor referring to the publication entitled "The role of antagonists of the PD-1:PD-L1/PD-L2 axis in head and neck cancer treatment" by Pai et al.
authors: Department of Oncology, Bichat-Beaujon University Hospital, Paris, France; Department of Internal Medicine, Hematology and Oncology, University Hospital Brno and School of Medicine, Masaryk University, Brno, Czech Republic. Electronic address: szturz@gmail.com.
authors: P
authors: P
authors: Szturz
authors: Department of Oncology, Bichat-Beaujon University Hospital, Paris, France.
authors: S
authors: S
authors: Faivre
mesh_terms: D060890:B7-H1 Antigen; D006258:Head and Neck Neoplasms; D006801:Humans
chemical_list: D060890:B7-H1 Antigen