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In vivo , intraperitoneal ( i . p . ) injections of synthetic goldfish GnIH - II peptide and GnIH - III peptide significantly decreased sGnRH and FSH beta mRNA levels .
 Chemical: GnIH; Chemical: GnIH
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: GnIH; Chemical: GnIH