@article{coelho_pinto_coelho_aires_rodrigues_2010,  title={A seroepidemiological survey of Mycobacterium avium subsp. paratuberculosis in sheep from North of Portugal},  volume={30},  ISSN={0100-736X},  url={https://doi.org/10.1590/S0100-736X2010001100001},  DOI={10.1590/S0100-736X2010001100001},  number={11},  journal={Pesquisa Veterinária Brasileira},  publisher={Colégio Brasileiro de Patologia Animal - CBPA},  author={Coelho, Ana C and Pinto, Maria L and Coelho, Adosinda M and Aires, Alfredo and Rodrigues, Jorge},  year={2010},  month={Nov},  pages={903–908} }