Histological description of aceh cattle ovary cryopreserved by various cryoprotectants. - Syafruddin, Syafruddin; Siregar, Tongku Nizwan; Azrin; Zuhrawati, Zuhrawati; Rosmaidar, Rosmaidar; Roslizawaty, Roslizawaty (Indian Journal of Animal Research, 2018)