Early Fetal Gender Determination Using Real-Time PCR Analysis of Cell-free Fetal DNA During 6th-10th Weeks of Gestation - Khorram Khorshid, Hamid Reza; Zargari, Maryam; Sadeghi, Mohammad Reza; Edallatkhah, Haleh; Shahhosseiny, Mohammad Hassan; Kamali, Koorosh (Acta Medica Iranica)