RT Journal Article SR Electronic T1 Practical Echocardiography for the Neonatologist. 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 F226 OP F226 DO 10.1136/fn.85.3.F226 VO 85 IS 3 A1 WREN, C YR 2001 UL http://fn.bmj.com/content/85/3/F226.abstract AB