Anghel Popp, Radu, Marius Farcas, Adrian Trifa, Mariela Militaru, Tania Crisan, and Ioan Pop. 2012. “The Methylenetetrahydrofolate Dehydrogenase (MTHFD 1) Gene G1958A Polymorphism and Idiopathic Male Infertility in a Romanian Population Group”. Medicine and Pharmacy Reports 85 (1), 54-58. https://ami.info.umfcluj.ro/medpharmareports/index.php/mpr/article/view/321.