 @article{vieira_hashimoto_carrilho_2012,  title={Bowel preparation for performing a colonoscopy: prospective randomized comparison study between a low-volume solution of polyethylene glycol and bisacodyl versus bisacodyl and a mannitol solution},  volume={49},  ISSN={0004-2803},  url={https://doi.org/10.1590/S0004-28032012000200012},  DOI={10.1590/S0004-28032012000200012},  number={2},  journal={Arquivos de Gastroenterologia},  publisher={Instituto Brasileiro de Estudos e Pesquisas de Gastroenterologia e Outras Especialidades - IBEPEGE. },  author={Vieira, Manoel Carlos and Hashimoto, Claudio Lyoiti and Carrilho, Flair José},  year={2012},  month={Apr},  pages={162–168} }