Cyclopropane.
D000758:Anesthesia / Q000266:history* / Q000379:methods; D002245:Carbon Dioxide / Q000378:metabolism; D003521:Cyclopropanes / Q000008:administration & dosage / Q000009:adverse effects / Q000266:history*; D049673:History, 20th Century; D012772:Shock, Septic
D003521:Cyclopropanes; D002245:Carbon Dioxide