Twenty-Five Years of Fetal Echocardiography in Conjoined Twins: Lessons Learned - Lopes, Lilian Maria; Brizot, Maria de Lourdes; Schultz, Regina; Liao, Adolfo Wenjaw; Krebs, Vera Lucia Jornada; Francisco, Rossana Pulcineli Vieira; Zugaib, Marcelo (Journal of The American Society of Echocardiopgraphy, 2013)