«Sperm Conjugates (Association of Several Sperm in the Epididymis) Reach Zone Fertilization in Rats, But Fertilizes Only One Sperm». International Journal of Medical and Surgical Sciences 2, no. 4 (diciembre 1, 2015): 663–670. Accedido octubre 22, 2026. http://186.67.134.105/index.php/ijmss/article/view/167.