title: Three-dimensional ultrasonography is superior to 2-dimensional ultrasonography in the detection of orofacial clefts during the second trimester of pregnancy.
authors.affiliation: Department of Pediatrics, University of Washington, Medical Director, Children's Craniofacial Center, Seattle Children's Hospital, Seattle, WA 98195, USA. mcunning@u.washington.edu <mcunning@u.washington.edu>
authors.forename: Michael L
authors.initials: ML
authors.lastname: Cunningham