RT Journal T1 JUly 2003 JF Archives of Surgery JO Archives of Surgery YR 2003 FD July 1 VO 138 IS 7 SP 715 OP 715 DO 10.1001/archsurg.138.7.715 UL http://dx.doi.org/10.1001/archsurg.138.7.715 AB Source: Boileau Grant JC. A Method of Anatomy: Descriptive and Deductive. 5th ed. Baltimore, Md: Williams & Wilkins Co; 1952:40.