1265
Modifications of the original DDPCR protocol , which we found can potentially decrease the frequency of isolating false-positive DESTs , are described and the merits of DDPCR , relative to other differential cDNA cloning strategies , are discussed.
 DESTs
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:
 DESTs