Townsend, Courtney M [Jr., Role: edtior] 
Sabiston textbook of surgery :  the biological basis of modern surgical practice.    - 20th edition /  Courtney M. Townsend, R. Daniel Beauchamp, B. Mark Evers, Kenneth L. Mattox.   - Amsterdam :  Elsevier,  2016.   - 1 volume :  illustrations ;  29 cm