16301
Consistent with direct PRL action in the gill , addition of oPRL to cultured gill filaments stimulated ncc in a concentration - dependent manner , an effect blocked by a pure human PRL receptor antagonist ( Delta 1 - 9 - G129R - hPRL ) .
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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:
 None