RT Journal Article SR Electronic T1 Ultrasound guided percutaneous relief of tension pneumomediastinum in a 1-day-old newborn 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 F458 OP F458 DO 10.1136/adc.2006.114322 VO 92 IS 6 A1 Ibrahim S I Mohamed A1 Yi-Horng Lee A1 Sani Z Yamout A1 Sami Fakir A1 Anne Marie Reynolds YR 2007 UL http://fn.bmj.com/content/92/6/F458.abstract AB