3275
Single - center precision was determined by repeat scanning over short - term ( < 72 hours ) , intermediate - term ( 3 - 5 months ) , and long - term intervals ( 28 months ) .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None