2992
One day postoperatively , the mononuclear leukocyte beta 2 - receptor density decreased maximally by 45 + / - 11 % in the enflurane patients , and by 53 + / - 6 % in the neurolept patients .
 GENE: beta 2 - receptor
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: beta 2 - receptor