AL-Barzinji, R. and AL-Naqshbandi, A. 2017. Estimation of Leptin and Leptin Receptor Concentrations in Seminal Plasma of Primary Infertile Men. Journal of the Faculty of Medicine Baghdad. 59, 2 (Jul. 2017), 160-164. DOI:https://doi.org/10.32007/med.1936/jfacmedbagdad.v59i2.12.