RT Journal Article SR Electronic T1 Correction: Dose conversion from aminophylline to theophylline in preterm infants 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 F570 OP F570 DO 10.1136/fn.71.1.f51corr1 VO 104 IS 5 YR 2019 UL http://fn.bmj.com/content/104/5/F570.abstract AB