@article{andraus_haddad_nacif_silva_blasbalg_d'albuquerque_2011,  title={The best approach for diagnosing primary sclerosing cholangitis},  volume={66},  ISSN={1807-5932},  url={https://doi.org/10.1590/S1807-59322011001100022},  DOI={10.1590/S1807-59322011001100022},  number={11},  journal={Clinics},  publisher={Faculdade de Medicina / USP},  author={Andraus, Wellington and Haddad, Luciana and Nacif, Lucas Souto and Silva, Felipe D and Blasbalg, Roberto and D'Albuquerque, Luiz Augusto Carneiro},  year={2011},  pages={1987–1989} }