@article{ferraz_albuquerque_lopes_araújo jr._carvalho_ferraz_2003,  title={The influence of periportal (pipestem) fibrosis on long term results of surgical treatment for schistosomotic portal hypertension},  volume={40},  ISSN={0004-2803},  url={https://doi.org/10.1590/S0004-28032003000100002},  DOI={10.1590/S0004-28032003000100002},  number={1},  journal={Arquivos de Gastroenterologia},  publisher={Instituto Brasileiro de Estudos e Pesquisas de Gastroenterologia e Outras Especialidades - IBEPEGE. },  author={Ferraz, Álvaro Antônio Bandeira and Albuquerque, Pedro Cavalcanti de and Lopes, Edmundo Pessoa de Almeida and Araújo Jr., José Guido Corrêa de and Carvalho, Anderson Henrique Ferreira and Ferraz, Edmundo Machado},  year={2003},  month={Jan},  pages={4–10} }