Al-Nashme, F.E. and Al-Jubory, W.A. 2022. The effect of in vitro exposure to certain metformin doses on the motility of human spermatozoa. Iraqi Journal of Embryos and Infertility Researches. 12, 1 (Jun. 2022), 55–67. DOI:https://doi.org/10.28969/IJEIR.v12.i1.r5.22.