RT Journal Article SR Electronic T1 Use of the black area on the tubetip for rapid estimation of insertional depth of endotracheal tubes in neonates: a potential hazard 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 F75 OP F75 DO 10.1136/fn.85.1.F75f VO 85 IS 1 A1 H MOLENDIJK YR 2001 UL http://fn.bmj.com/content/85/1/F75.7.abstract AB