3701
Vocal cords stiffness can be associated with a variety of etiologic agents , but it is rarely seen with atypical mycobacteria , for example , Mycobacterium avium complex .
 Vocal cords
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Vocal cords