RT Journal Article SR Electronic T1 Response to: Bacterial co-infection and the interpretation of immunological data from BAL fluid specimens in severe RSV bronchiolitis (Thorax 2006;61:1098) JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 278 OP 278 VO 62 IS 3 A1 K Thorburn YR 2007 UL http://thorax.bmj.com/content/62/3/278.1.abstract AB