2021
Hsp70 and Hsc70 expression and DNA methylation were determined in GD18 fetuses and 3 - , 10 - , and 24 - week - old mice .
 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