Medical gas pipeline installations.
D000777:Anesthetics / Q000600:supply & distribution; D004869:Equipment Safety; D005060:Europe; D005740:Gases / Q000600:supply & distribution*; D006750:Hospital Distribution Systems / Q000592:standards*; D006801:Humans; D008284:Maintenance and Engineering, Hospital / Q000592:standards*; D009609:Nitrous Oxide / Q000600:supply & distribution; D010100:Oxygen / Q000600:supply & distribution; D011786:Quality Control; D012015:Reference Standards