Barzanchi, M.R. et al. 2005. the effect of age , type and duration of infertility on prolactin concentration in the serum of hyperprolactinemic infertile women. Journal of the Faculty of Medicine Baghdad. 47, 3 (Oct. 2005), 278–281. DOI:https://doi.org/10.32007/jfacmedbagdad.4731623.