MAINTENANCE OF OXYGEN SYSTEMS.
D000056:Accident Prevention; D004865:Equipment and Supplies, Hospital; D006801:Humans; D008284:Maintenance and Engineering, Hospital; D010100:Oxygen; D010102:Oxygen Inhalation Therapy
D010100:Oxygen
ACCIDENT PREVENTION; HOSPITAL EQUIPMENT AND SUPPLIES; HOSPITAL MAINTENANCE; OXYGEN INHALATION THERAPY