Nash Edward F, Stephenson Anne, Helm Emma J, Ho Terence, Thippanna Chandra M, Ali Asad, Whitehouse Joanna L, Honeybourne David, Tullis Elizabeth, Durie Peter R
West Midlands Adult Cystic Fibrosis Centre, Birmingham Heartlands Hospital, Bordesley Green East, Birmingham, B9 5SS, UK.
Dig Dis Sci. 2011 Dec;56(12):3695-700. doi: 10.1007/s10620-011-1790-z. Epub 2011 Jun 16.