Gallego, Carlos, Eunice Oba, Luis M. Fraga, R. García López, Mildred Méndez, and E. Padrón. 2016. “Clinical Characteristics of Induced Estrus With Hormones, and Its Relation With Gestation Percentage in Nulliparous Female Water Buffaloes”. Cuban Journal of Agricultural Science 50 (1). https://www.cjascience.com/index.php/CJAS/article/view/597.