21773
Critical issues related to this class of medicinal products include their terminology ( to avoid confusion with generics and non - innovator copy versions that have not been tested according to the biosimilar guidelines ) , manufacturing , and regulation .
 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