Pimenta, C. L. R. M. (2019) “Seroprevalence and predominant serogroups of Leptospira sp. in serological tests of ruminants in northeastern Brazil”, Semina: Ciências Agrárias, 40(4), pp. 1513–1522. doi: 10.5433/1679-0359.2019v40n4p1513.