A new score which includes ultrasound-assessed tongue thickness to predict difficult intubation in morbidly obese patients: A prospective observational cohort study. - Aceto P; Modesti C; Perilli V; Sacco T; De Cicco R; Calabrese C; Raffaelli M; D'Angelo F; Lai C; Sollazzi L (European journal of anaesthesiology, 2022)