title: The Janus syndrome.
authors.affiliation: Department of Surgery, St. John's Mercy Medical Center, St. Louis, Missouri.
authors.forename: W F
authors.initials: WF
authors.lastname: Sasser
mesh_terms: D017048:Health Care Costs; D049673:History, 20th Century; D006801:Humans; D011364:Professional Practice / Q000266:history / Q000639:trends*; D013903:Thoracic Surgery / Q000266:history / Q000639:trends; D014481:United States