?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=S%C3%A1enz+Lech%C3%B3n%2C+Nicolas&rft.aulast=S%C3%A1enz+Lech%C3%B3n&rft.aufirst=Nicolas&rft.date=2009&rft.title=Screening+voice+disorders+with+the+glottal+to+noise+excitation+ratio&rft.btitle=Proceedings+of+2nd+COST+2103+Workshop+%22Advanced+Voice+Function+Assessment%22&rft.genre=proceeding