%0 Journal Article %T What factors are associated with the poor prognosis of anal adenocarcinoma compared with low-lying rectal adenocarcinoma based on a population analysis: A propensity score matching study %A Cheng Cai %A Hang Ruan %A Jianfei Fu %A Jinlin Du %A Qinghua Wang %A Xiaoxiao Chen %J Archive of "PLoS ONE". %D 2019 %R 10.1371/journal.pone.0219937 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6667147/