title: Edward D. Churchill and the "rectangular" surgical residency.
authors.affiliation: Division of Thoracic Surgery, Massachusetts General Hosital, Boston, MA 02114, USA.
authors.forename: Hermes C
authors.initials: HC
authors.lastname: Grillo
mesh_terms: D004501:Education, Medical / Q000266:history / Q000592:standards; D013502:General Surgery; D049673:History, 20th Century; D007396:Internship and Residency / Q000266:history*; D014481:United States