Octarina, Rezia, et al. “In Vitro Alpha Lipoic Acid Supplementation in Freeze-Dried Human Sperm: The Impact on DNA Fragmentation Index”. Qanun Medika - Medical Journal Faculty of Medicine Muhammadiyah Surabaya, vol. 5, no. 1, Jan. 2021, pp. 125-32, doi:10.30651/jqm.v5i1.4374.