title: The Schimmelbusch mask.
mesh_terms: D000769:Anesthesia, Inhalation / Q000266:history* / Q000295:instrumentation; D000776:Anesthesiology / Q000266:history; D004867:Equipment Design; D005858:Germany; D049672:History, 19th Century; D006801:Humans; D008397:Masks / Q000266:history*