Publication info: Int J Clin Pract. 2009 Jun; 63(6):859-64.PMID: 19504714External link: http://www.ncbi.nlm.nih.gov/pubmed/19504714Publication date: June, 2009Authors: Gossage JA, Forshaw MJ, Khan AA, Mak V, Moller H, Mason RCPublication type: Paper