Visintin, J. A., Garcia, J. F., Pantano, T., & D'Avila Assumpção, M. E. O. (2000). Cryopreservation of mouse morulae in glycerol, sucrose and honeybee royal jelly. Brazilian Journal of Veterinary Research and Animal Science, 37(4), 307-311. https://doi.org/10.1590/S1413-95962000000400009