title: Placentation effects on cognitive resemblance of adult monozygotes.
mesh_terms: D002823:Chorion / Q000033:anatomy & histology*; D003071:Cognition; D005260:Female; D014644:Genetic Variation; D005824:Genetics, Behavioral; D006801:Humans; D011247:Pregnancy; D013997:Time Factors; D014427:Twins; D014430:Twins, Monozygotic