{Reference Type}: Letter {Title}: HPV16 E6-antibody associated risk of oropharyngeal cancer increases by calendar-time: A nested case-control study. {Author}: Lehtinen M;Butt J;Gray P;Brenner N;Eriksson T;Lehtinen T;Luostarinen T;Schroeder L;Surcel HM;Mäkitie A;Pimenoff VN;Waterboer T; {Journal}: Int J Cancer {Volume}: 153 {Issue}: 6 {Year}: 2023 09 15 {Factor}: 7.316 {DOI}: 10.1002/ijc.34614