Medical gases--piping problems.
D000776:Anesthesiology / Q000295:instrumentation; D001315:Australia; D002170:Canada; D004865:Equipment and Supplies, Hospital / Q000592:standards*; D009609:Nitrous Oxide / Q000600:supply & distribution*; D010100:Oxygen / Q000600:supply & distribution*; D012449:Safety; D006113:United Kingdom; D014481:United States