title: The cardiac echogenic focus.
authors.affiliation: Fetal Cardiology, Guy's Hospital, London, U.K.
authors.forename: J
authors.initials: J
authors.lastname: Simpson
mesh_terms: D002869:Chromosome Aberrations / Q000235:genetics; D025063:Chromosome Disorders; D004314:Down Syndrome / Q000000981:diagnostic imaging / Q000235:genetics; D005318:Fetal Heart / Q000002:abnormalities / Q000000981:diagnostic imaging*; D006352:Heart Ventricles / Q000002:abnormalities / Q000000981:diagnostic imaging*; D006801:Humans; D015994:Incidence; D007621:Karyotyping; D016216:Ultrasonography, Prenatal