Zepeda Batista, J.L., Carrillo Díaz, M.I. and Saavedra Jiménez, L.A. 2018. Sources of bias in genetic association studies of cattle: a review. Revista Colombiana de Ciencias Pecuarias. 31, 4 (Dec. 2018), 256–266. DOI:https://doi.org/10.17533/udea.rccp.v31n4a02.