5542
The transcriptional composition of the skin secretion may also help to give the necessary support for the definition of P . nordestina as a new species , which actually relies basically on frog morphological characteristics and geographical distribution .
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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