11835
The relationship of the factor V Leiden mutation or the deletion - deletion polymorphism of the angiotensin converting enzyme to postoperative thromboembolic events following total joint arthroplasty .
 factor V Leiden mutation, angiotensin converting enzyme
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 factor V Leiden mutation, angiotensin converting enzyme