Palomares R., Ferrer M., Bittar J., Hoyos-Jaramillo A., Gutierrez-Añez J., Fishman-Holland H., Camacho A., Graham J., and Rizzo R. “A Delayed Fixed Time Artificial Insemination 78 Hours After CIDR Removal Does Not Affect Pregnancy Outcomes in Dairy Heifers Treated With a 4 Day CoSynch + CIDR Protocol”. Clinical Theriogenology, vol. 11, no. 3, Sept. 2019, p. 439, https://clinicaltheriogenology.net/index.php/CT/article/view/10209.