@article{article1e005735,
title   = {POP-Brazil study protocol: a nationwide cross-sectional evaluation of the prevalence and genotype distribution of human papillomavirus (HPV) in Brazil},
author = {Wendland, Eliana Marcia and Villa, Luisa Lina},
year = {2018},
doi = {10.1136/bmjopen-2017-021170},
journal   = {Bmj open}
}