title: Mr Humphrey's inhaler.
authors.forename: W A
authors.initials: WA
authors.lastname: Jackson
mesh_terms: D004867:Equipment Design / Q000266:history*; D049672:History, 19th Century; D010102:Oxygen Inhalation Therapy / Q000266:history; D012123:Pulmonary Ventilation; D014481:United States