TY - JOUR T1 - The relation between consanguineous marriage and mental retardation of the offspring TT - JF - MJIRI JO - MJIRI VL - 22 IS - 3 UR - http://mjiri.iums.ac.ir/article-1-10-en.html Y1 - 2008 SP - 156 EP - 158 N2 - M3 ER -