@article{doi:,
author = {Erdemir, Ayhan and Menteş, Cengiz and Onuray, Feyyaz and Gezen, Cem and Öncel, Mustafa and Vural, Selahattin},
title = {FOUR RETRORECTAL TUMOR CASES OPERATED VIA POSTERIOR APPROACH},
journal = {South Clin Ist Euras},
volume = {15},
number = {1},
pages = {28-30},
year = {2004},
doi = {},
note ={doi: },

URL = {https://dx.doi.org/},
eprint = {https://dx.doi.org/}
}