RECABARREN, S., ALBORNOZ, R., ESPINOZA, M. and LOBOS, A. 1997. Effect of naltrexone on the secretion pattern of the luteinizing hormone in prepubertal ewes. Archivos de Medicina Veterinaria. 29, 1 (Jun. 1997), 55–61. DOI:https://doi.org/10.4067/S0301-732X1997000100006.