?url_ver=Z39.88-2004&rft_id=10.1109%2FNatPC.2011.6136432&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Ali&rft.au=Ali%2C+S.Q.-U.-A.&rft.aufirst=S.Q.-U.-A.&rft.title=DWPT+based+sleep+apnea+detection&rft.date=2011&rft.isbn=9781457718847&rft.genre=proceeding