@article{lilenbaum_1998,  title={Leptospirosis on animal reproduction: IV. Serological findings in mares from six farms in Rio de Janeiro, Brazil (1993-1996)},  volume={35},  ISSN={1413-9596},  url={https://doi.org/10.1590/S1413-95961998000200002},  DOI={10.1590/S1413-95961998000200002},  number={2},  journal={Brazilian Journal of Veterinary Research and Animal Science},  publisher={Faculdade de Medicina Veterinária e Zootecnia / Universidade de São Paulo},  author={LILENBAUM, Walter},  year={1998},  pages={61–63} }