title: Impossible mask ventilation.
authors.forename: Ian
authors.initials: I
authors.lastname: Calder
mesh_terms: D006801:Humans; D017214:Laryngeal Masks; D009125:Muscle Relaxants, Central / Q000627:therapeutic use; D011237:Predictive Value of Tests; D012121:Respiration, Artificial; D012307:Risk Factors
chemical_list: D009125:Muscle Relaxants, Central