Author M. Gulliford A. Dregan M. Moore M. Ashworth Tv Staa G. McCann J. Charlton L. Yardley P. Little L. McDermott Year of Publication 2014 DOI 10.1136/bmjopen-2014-006245 Google ScholarDOIBibTeXEndNote X3 XMLEndNote 7 XMLEndnote taggedMarcRIS
