P. Chanapiwat, K. Kaeoket, and P. Tummaruk, “The Sperm DNA Damage after Cryopreservation of Boar Semen in Relation to Post-thawed Semen Qualities, Antioxidant Supplementation and Boars Effects”, TJVM, vol. 40, no. 2, pp. 187–193, Jun. 2015.