9719
The spatial distribution of human immunoglobulin genes within the nucleus : evidence for gene topography independent of cell type and transcriptional activity .
 human immunoglobulin genes
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:
 human immunoglobulin genes