%0 Journal Article %T The Use of Letrozole for Ovulation Induction in Infertile Women with Polycystic Ovarian Syndrome %A Aygen, E.M. %A Güzel, Z. %A Özgün, T. %A Atakul, T. %A Şahin, Y. %J Journal of Clinical Practice and Research %D 2007 %V 29 %P 195-200 %R