Stewart , J., Canisso , I., Podico , G., Garrett , E., & Lima , F. (2019). Effects of nerve growth factor β added to extenders for cryopreservation of electro ejaculated and epididymal harvested bull semen. Clinical Theriogenology, 11(3), 441. Retrieved from https://clinicaltheriogenology.net/index.php/CT/article/view/10210