Molecular classification of human papilloma virus-negative head and neck squamous cell carcinomas: Cell cycle-based classifier and prognostic signature - Hao Gu; Tingxuan Li; Narasimha M. Beeraka; Yufei Zheng; Xintan Zhang; Ruixia Song; Runze Zhou; Xiaoyan Wang; Olga Sukocheva; Ruitai Fan; Junqi Liu (PLoS ONE, 2023)