14346
A new approach to facilitate immobilization and affinity purification of recombinant proteins and selected human B lymphocytes has been developed.
 recombinant proteins, human B lymphocytes
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 recombinant proteins, human B lymphocytes