Authors: Tabitha L Randell; Kim C Donaghue; Geoffrey R Ambler; Christopher T Cowell; Dominic A Fitzgerald; Peter P van Asperen Journal: Paediatr Drugs Date: 2003 Impact factor: 3.022
Authors: K J Mortimer; L J Tata; C J P Smith; J West; T W Harrison; A E Tattersfield; R B Hubbard Journal: Thorax Date: 2006-03-03 Impact factor: 9.139