[1]
COX, J.F., CONTRERAS, V., LETELIER, N., SARAVIA, F., SANTA MARIA, A., LOBOS, A. and RECABARREN, S. 1999. Use of GnRH and PGF2a for synchronisation of oestrus in confined dairy herds. Archivos de Medicina Veterinaria. 31, 1 (Jun. 1999), 19–25. DOI:https://doi.org/10.4067/S0301-732X1999000100002.