Prevalence of high risk HPV DNA in esophagus is high in Brazil but not related to esophageal squamous cell carcinoma. - da Costa AM; Fregnani JHTG; Pastrez PRA; Mariano VS; Neto CS; Guimarães DP; de Oliveira KMG; Neto SAZ; Nunes EM; Ferreira S; Sichero L; Villa LL; et al. (Histology and histopathology, 2018)