Öztürk  Ö, Has  M, Akkaya  A, Tuna Hakan S, Alkış  H, Türkkahraman  H, Balcıoğlu Avni H. Comparison of Cephalometric Variables in Non-obese and Obese Patients with Obstructive Sleep Apnea. Balkan Med J 2011;28:244-251