521
Parelaphostrongylus odocoilei is redescribed from worms collected from the type host ( Odocoileus hemionus columbianus ) in California , as well as material from experimentally infected mule deer ( O . h . heminus ) in Alberta .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
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