8392
BACKGROUND : Microdosing is a technique for studying the behavior of compounds in vivo at 1 / 100th of the dose of a test substance calculated , based on animal data , to yield a pharmacologic effect .
 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