18480
Cerebral involvement was confirmed by magnetic resonance imaging and histologic examination of brain sections after hematoxylin - eosin - safran or silver staining .
 Chemical: hematoxylin; Chemical: eosin; Chemical: silver
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: hematoxylin; Chemical: eosin; Chemical: silver