4981
The specificity of the folate receptor ( FR ) - mediated gene transfer was corroborated by employing a folate receptor deficient cell line ( HepG2 ) .
 Chemical: folate; Chemical: folate
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: folate; Chemical: folate