@article{orsi_doretto jr_camillo_reischak_ribeiro_ramazzoti_mendonça_spilki_buzinaro_ferreira_et al._2010,  title={A survey for maintenance of virulent newcastle disease virus-free area in poultry production in Brazil},  volume={41},  ISSN={1517-8382},  url={https://doi.org/10.1590/S1517-83822010000200017},  DOI={10.1590/S1517-83822010000200017},  number={2},  journal={Brazilian Journal of Microbiology},  publisher={Sociedade Brasileira de Microbiologia},  author={Orsi, M.A and Doretto Jr, L and Camillo, S.C.A and Reischak, D and Ribeiro, S.A.M and Ramazzoti, A and Mendonça, A.O and Spilki, F.R and Buzinaro, M.G and Ferreira, H.L and Arns, C.W},  year={2010},  month={Apr},  pages={368–375} }