1532
Implication of PAF and acetylhydrolase ( PAF - AH ) activity in periodontal disease .
 GENE: PAF; GENE: acetylhydrolase; GENE: PAF - AH
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: PAF; GENE: acetylhydrolase; GENE: PAF - AH