TY - BOOK AU - Townsend,Courtney M. AU - Beauchamp,R.Daniel AU - Evers,B.Mark TI - Sabiston textbook of surgery: the biological basis of modern surgical practice SN - 0-7216-0409-9 PY - 2004/// CY - Philadelphia PB - Elsevier Saunders KW - CirugĂ­a ER -