ALDDIN, Nawras N. Shams; AL-DUJAILY, Saad S.; AL-SULTANI, Yahya K. In vitro sperm activation with pentoxifylline and L-carnitine for infertile men semen using layering and sedimentation techniques. Iraqi Journal of Embryos and Infertility Researches, [S. l.], v. 3, n. 2, p. 26–31, 2013. DOI: nan. Disponível em: https://ijeir.journalpath.com/ijeir/article/view/39. Acesso em: 19 oct. 2026.