Anesthesia for thoracic surgery.
D000758:Anesthesia; D000777:Anesthetics; D001784:Blood Gas Analysis; D006801:Humans; D009609:Nitrous Oxide; D010313:Partial Pressure; D013903:Thoracic Surgery; D013909:Thorax / Q000601:surgery*
D000777:Anesthetics; D009609:Nitrous Oxide