Martin J Burton1. 1. Department of Otolaryngology-Head & Neck Surgery, University of Oxford, Level LG1, West Wing, John Radcliffe Hospital, Headley Way, Oxford, OX3 9DU, UK. mburton@cochrane-ent.org
Authors: Ugo Fedeli; Maria Marchesan; Francesco Avossa; Francesco Zambon; Marilisa Andretta; Iacopo Baussano; Paolo Spolaore Journal: BMC Health Serv Res Date: 2009-02-07 Impact factor: 2.655