Ball, Chad G Dramatic innovations in modern surgical subspecialties. [electronic resource] - Canadian journal of surgery. Journal canadien de chirurgie Oct 2010 - 335-41 p. digital Publication Type: Journal Article; Review; Systematic Review ISSN: 1488-2310 Subjects--Topical Terms: Aortic Aneurysm, Abdominal--surgeryHernia, Inguinal--surgeryHumansLiver--surgeryMultiple Trauma--surgeryNeoplasms--surgerySentinel Lymph Node BiopsySpecializationSurgical Procedures, Operative--trends