RT Journal Article SR Electronic T1 Echocardiography for the neonatologist. Part 2. Structural and transitional haemodynamic problems in the newborn. Practical JF Archives of Disease in Childhood - Fetal and Neonatal Edition JO Arch Dis Child Fetal Neonatal Ed FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP F164 OP F164 DO 10.1136/fn.88.2.F164-a VO 88 IS 2 A1 Wren, C YR 2003 UL http://fn.bmj.com/content/88/2/F164.2.abstract AB