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In conclusion, strong c-myc mRNA expression was observed on epithelial cells of labial salivary glands from patients with primary SS .
 RNA: c-myc mRNA; cell type: epithelial cells
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:
 RNA: c-myc mRNA; cell type: epithelial cells