1832
At intervals of four to 14 days , the animals were challenged by intrastromal inoculation with 10 , 000 plaque - forming units of viable HSV .
 Anatomy: intrastromal
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: intrastromal