RT Journal Article SR Electronic T1 Endometrioma simulating inguinal hernia: case reports JF Canadian Journal of Surgery JO CAN J SURG FD Canadian Medical Association SP 387 OP 388 VO 42 IS 5 A1 Anthony C.N. Li A1 Wing-Tai Siu A1 Michael K.W. Li YR 1999 UL http://canjsurg.ca/content/42/5/387.abstract