Low p16 Cytoplasmic Staining Predicts Poor Treatment Outcome in Patients with p16-Negative Locally Advanced Head and Neck Squamous Cell Carcinoma Receiving TPF Induction Chemothera... oleh Yen-Hao Chen, Chih-Yen Chien, Tai-Ling Huang, Tai-Jen Chiu, Yu-Ming Wang, Fu-Min Fang, Shau-Hsuan Li