@article{oliveira_pedro_craveiro_cruz_almeida_luís_santos_2018,  title={Rectal ulcer due to Kayexalate deposition – an unusual case},  volume={64},  ISSN={0104-4230},  url={https://doi.org/10.1590/1806-9282.64.08.680},  DOI={10.1590/1806-9282.64.08.680},  number={8},  journal={Revista da Associação Médica Brasileira},  publisher={Associação Médica Brasileira},  author={Oliveira, Ana Alves and Pedro, Filipa and Craveiro, Nuno and Cruz, Ana Vera and Almeida, Raquel Sousa and Luís, Pedro Pereira and Santos, Cristina},  year={2018},  month={Aug},  pages={680–683} }