2009
Immunohistochemical staining with MIB - 1 and p53 antibodies showed low ( < 1 % ) and negative reaction .
 GENE: MIB - 1; GENE: p53 antibodies
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: MIB - 1; GENE: p53 antibodies