Aparicio-Medina, J. M. and Paredes-Vanegas, V. (2010) “EXPERIMENTAL INTOXICATION IN HOLSTEIN CALVES WITH <i>Ageratum houstonianum</i> Mill (Celestina azul) AND <i>Lantana camara</i> L. (Filigrana, Verbena Morada, Cinco negritos)”, La Calera, 10(14), pp. 58–63. doi: 10.5377/calera.v10i14.28.