21131
Expression of human INSL3 and RXFP2 was determined in tissues of the ocular surface , lacrimal apparatus , in human corneal ( HCE ) , conjunctival ( HCjE ) , sebaceous ( SC ) epithelial cell lines and in human tears by RT - PCR and ELISA .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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