TY - BOOK AU - AU - Nora, Paul F., ED - ED - ED - ED - TI - : principles and techniques SN - 721621341 SN - 2 PY - 1990///46 CY - Philadelphia PB - Saunders KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Surgery, Operative N1 - Includes bibliographical references; 5 ER -