Jabbar, Durar Kamil. “Leukemia Inhibitory Factor (LIF) and LIF Receptor (LIFR) Gene Polymorphisms and Implantation and Pregnancy Outcomes After Assisted Reproduction: A Systematic Review and Meta-Analysis”. Journal of Integral Sciences 9, no. 2 (October 8, 2026): 114-130. Accessed October 10, 2026. https://jisciences.com/index.php/journal/article/view/160.