RT Journal T1 MAy 2003 JF Archives of Surgery JO Archives of Surgery YR 2003 FD May 1 VO 138 IS 5 SP 546 OP 546 DO 10.1001/archsurg.138.5.546 UL http://dx.doi.org/10.1001/archsurg.138.5.546 AB Source: Boileau Grant JC. A Method of Anatomy: Descriptive and Deductive. 5th ed. Baltimore, Md: Williams & Wilkins Co; 1952:681.