From Merck Drug Shows No Life-Extending Benefit in Head-and-Neck Cancer:

head and neck cancer Ernesto del Aguila III NHGRI 15x10
head and neck cancer Ernesto del Aguila III NHGRI 15×10

Image “Human Papillomavirus (HPV) in Head and Neck Cancer” by Ernesto del Aguila III/NHGRI via Creative Commons 2.0 license.
Human Papillomavirus (HPV) in Head and Neck Cancer