Improved Sperm Cryopreservation in the Critically Endangered Przewalski's Horse (Equus ferus przewalskii) Using Different Cryoprotectants - Pukazhenthi, Budhan S.; Lapiana, Francesca; Padilla, Luis; Santiestevan, Jenny; da Silva, Marco Coutinho; Alvarenga, Marco; Wildt, David (Soc Study Reproduction, 2010)