650
In a non-parametric test (Kruskal-Wallis) a strong negative association was found between high levels of c-erbB2 amplification and absence of estrogen receptor (ER) (P = .0009) or progesterone receptor ( PR ) (P = .011) expression.
 protein: progesterone receptor; protein: PR; DNA: c-erbB2
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: progesterone receptor; protein: PR; DNA: c-erbB2