title: Historical perspective on mechanical ventilation: from simple life support system to ethical dilemma.
authors.affiliation: Pulmonary Center, Boston University School of Medicine, Massachusetts.
authors.forename: G L
authors.initials: GL
authors.lastname: Snider
mesh_terms: D004992:Ethics, Medical; D005060:Europe; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D038622:Internationality; D008020:Life Support Care / Q000266:history*; D040841:Resource Allocation; D012121:Respiration, Artificial / Q000266:history*; D014481:United States; D012122:Ventilators, Mechanical / Q000266:history*