Benavides-Varela, D., Elizondo-Salazar, J.A. and González-Arias, E. 2013. Immune status of dairy calves in the Northern Plains of Costa Rica. Year II. Agronomía Mesoamericana. 24, 2 (Nov. 2013), 285–291. DOI:https://doi.org/10.15517/am.v24i2.12527.