@article{kotze_utiyama_kotze_nisihara_2021,  title={SERONEGATIVE CELIAC DISEASE IN BRAZILIAN PATIENTS: A SERIES OF CASES},  volume={58},  ISSN={0004-2803},  url={https://doi.org/10.1590/S0004-2803.202100000-39},  DOI={10.1590/S0004-2803.202100000-39},  number={2},  journal={Arquivos de Gastroenterologia},  publisher={Instituto Brasileiro de Estudos e Pesquisas de Gastroenterologia e Outras Especialidades - IBEPEGE. },  author={KOTZE, Lorete M S and UTIYAMA, Shirley R R and KOTZE, Luiz Roberto and NISIHARA, Renato},  year={2021},  month={Apr},  pages={214–216} }