Lawrence, Peter F 
Essentials of surgical specialties /  senior editor, Peter F. Lawrence ; editors, Richard M. Bell, Merril T. Dayton ; textbook content editor, Mohammed I. Ahmed ; question bank editor, James C. Hebert.   - 3rd ed.   - Philadelphia:  Lippincott Williams & Wilkins,  c2007.   - xii, 467 p. :  ill. ;  28 cm.