Hanh NV, Linh NV, Nguyen BX. Cryopreservation of immature porcine oocytes by Cryotop. AJB [Internet]. 2014 Mar. 19 [cited 2024 May 2];35(4):516-21. Available from: https://vjs.ac.vn/index.php/vjbio/article/view/3784