RT Journal Article SR Electronic T1 Exclusive viral wheeze and allergic wheeze: evidence for discrete phenotypes JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 472 OP 474 DO 10.1183/09031936.00004111 VO 38 IS 2 A1 M-P.F. Strippoli A1 B.D. Spycher A1 A.M. Pescatore A1 C.S. Beardsmore A1 M. Silverman A1 C.E. Kuehni YR 2011 UL http://erj.ersjournals.com/content/38/2/472.abstract AB