RT Journal Article SR Electronic T1 Validity of forced expiratory flow volume loops in neonates. JF Archives of Disease in Childhood JO Arch Dis Child FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 460 OP 461 DO 10.1136/adc.63.4.460-a VO 63 IS 4 A1 LeSouëf, P N A1 Landau, L I YR 1988 UL http://adc.bmj.com/content/63/4/460.2.abstract AB