Independent association of marijuana use and poor oral hygiene with HPV-negative but not HPV-positive head and neck squamous cell carcinomas

Shewale JB, Pickard RKL, Xiao W, Jiang B, Gillison ML. Independent association of marijuana use and poor oral hygiene with HPV-negative but not HPV-positive head and neck squamous cell carcinomas. Cancer. 2021; 127(12): 2099-2110.