Unanian, Maria Marina, and Antonio Emídio D. Feliciano Silva. “Studies Relating Subnutrition to Goat Abortion in the Northeastern Region of Brazil”. Pesquisa Agropecuaria Brasileira, vol. 24, no. 10, Apr. 2014, pp. 1221-8, https://doi.org/10.1590/S1678-3921.pab1989.v24.16454.