83167
Among orders of mammals , treeshrews are closely related to primates , and have been used as an alternative to primates in experimental studies of myopia , psychosocial stress , and hepatitis .
 myopia, hepatitis
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 myopia, hepatitis