@article{martinez_palma_waisberg_2003,  title={Giant retroperitoneal lipoma: a case report},  volume={40},  ISSN={0004-2803},  url={https://doi.org/10.1590/S0004-28032003000400010},  DOI={10.1590/S0004-28032003000400010},  number={4},  journal={Arquivos de Gastroenterologia},  publisher={Instituto Brasileiro de Estudos e Pesquisas de Gastroenterologia e Outras Especialidades - IBEPEGE. },  author={Martinez, Carlos Augusto Real and Palma, Rogério Tadeu and Waisberg, Jaques},  year={2003},  month={Oct},  pages={251–255} }