@misc{miscb90ff357,
title   = {Anal cancer: leading the way [Carta]},
author = {Habr-Gama, Angelita and São Julião, Guilherme Pagin and Perez, Rodrigo Oliva},
year = {2017},
doi = {10.1016/S1470-2045(17)30073-6},
journal   = {The Lancet Oncology}
}