Department of Anatomy and Embryology, Leiden University Medical Center, Leiden, The Netherlands
Correspondence to: Adriana C. Gittenberger-de Groot, Leiden University Medical Center, Department of Anatomy and Embryology, PO Box 9602, 2300 RC Leiden, The Netherlands. Tel: 31 71 527 6691; Fax: 31 71 527 6680; E-mail: [email protected]
The article is the text of the Mannheimer lecture, given on the occasion of the 37th Meeting of the Association of European Pediatric Cardiology, Porto, Portugal, 2002. Accepted December 20, 2002
