29377
The purpose of this work was to explore the relation between protein - protein interactions ( PPIs ) and solution viscosity at high protein concentration using three monoclonal antibodies ( mAbs ) , two of the IgG4 subclass and one of the IgG1 subclass .
 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