Pembrolizumab alone or with chemotherapy for recurrent or metastatic head and neck squamous cell carcinoma: health-related quality-of-life results from KEYNOTE-048 - Rischin, Danny; Harrington, Kevin J; Greil, Richard; Soulieres, Denis; Tahara, Makoto; Castro Junior, Gilberto de Castro; Psyrri, Amanda; Brana, Irene; Neupane, Prakash; Bratland, Ase (Oral oncology, 2022)