title: Medical aspects of airline operations. II: Aircrew schedules and emergency considerations.
mesh_terms: D000056:Accident Prevention; D000337:Aerospace Medicine; D002940:Circadian Rhythm; D004630:Emergencies; D005390:Fires; D006801:Humans; D005222:Mental Fatigue / Q000517:prevention & control; D009787:Occupational Medicine; D010100:Oxygen; D013997:Time Factors
chemical_list: D010100:Oxygen