title: Second trimester hyperechogenicity in the lower abdomen of two fetuses with trisomy 21: is there a correlation?
authors.affiliation: Department of Obstetrics and Gynecology, Medical College of Ohio, Toledo 43699.
authors.forename: W H
authors.initials: WH
authors.lastname: Persutte
mesh_terms: D000005:Abdomen / Q000473:pathology*; D000328:Adult; D004314:Down Syndrome / Q000175:diagnosis* / Q000473:pathology; D005260:Female; D006801:Humans; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D011296:Prenatal Diagnosis; D014463:Ultrasonography