3391
The evaluated parameters were passage of DON and tylosin through the epithelial monolayer , the integrity of the monolayer by measurements of the trans - epithelial electrical resistance and the viability of the monolayer using the neutral red assay .
 Chemical: DON; Chemical: tylosin; Chemical: neutral red
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: DON; Chemical: tylosin; Chemical: neutral red