title: Toward fifty.
authors.affiliation: Department of Surgery, Washington University School of Medicine, St. Louis, Missouri.
authors.forename: T B
authors.initials: TB
authors.lastname: Ferguson
mesh_terms: D049673:History, 20th Century; D010506:Periodicals as Topic / Q000266:history*; D012955:Societies, Medical / Q000266:history*; D013903:Thoracic Surgery / Q000266:history*; D014481:United States