Performance of first and second generation supraglottic airway devices in patients with simulated difficult airway: a randomised controlled trial - Yildiz, Ergul; Saracoglu, Kemal; Saracoglu, Ayten; Sorbello, Massimiliano; Kizilay, Deniz; Kafali, Haluk (Anestezjologia Intensywna Terapia, 2019)