title: Left atrial fibrous band, an unexpected mechanism of mitral regurgitation.
authors: Department of Cardiology, Northwest Heart Centre, University Hospitals of South Manchester, Wythenshawe Hospital, Southmoor Road, Manchester, UK. rbirwin@hotmail.com
authors: R Bruce
authors: RB
authors: Irwin
authors: Matthias
authors: M
authors: Schmitt
authors: Simon
authors: S
authors: Ray