Cite

    I. Tinhofer et al.. “Contribution of human papilloma virus to the incidence of squamous cell carcinoma of the head and neck in a European population with high smoking prevalence.” European journal of cancer, vol. 51, no. 4, n.d., pp. 514–521. http://access.bl.uk/ark:/81055/vdc_100026003368.0x00004a